Home / 1,123,935,177,277.50-1,685,703,479,144.80-511,171,209,255.50

Finding the Fourth Proportional to 1,123,935,177,277.50, 1,685,703,479,144.80 and 511,171,209,255.50

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Solution

The fourth proportional to 1,123,935,177,277.50, 1,685,703,479,144.80 and 511,171,209,255.50 is: 766,666,177,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,935,177,277.50 : 1,685,703,479,144.80 = 511,171,209,255.50 : x
  2. Step 2: Convert to fraction form
    1,123,935,177,277.50/1,685,703,479,144.80 = 511,171,209,255.50/x
  3. Step 3: Cross multiply
    1,123,935,177,277.50x = 1,685,703,479,144.80 × 511,171,209,255.50
  4. Step 4: Simplify right side
    1,123,935,177,277.50x = 861,683,085,880,651,002,413,056
  5. Step 5: Solve for x
    x = 861,683,085,880,651,002,413,056/1,123,935,177,277.50
  6. Step 6: Final answer
    x = 766,666,177,286.04

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Half scale
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Double scale
Find fourth proportional to 1,123,935,177,278.50, 1,685,703,479,146.30 and 511,171,209,256.50
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.