Home / 1,123,935,177,275.40-1,685,703,479,141.50-511,171,209,253.35

Finding the Fourth Proportional to 1,123,935,177,275.40, 1,685,703,479,141.50 and 511,171,209,253.35

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Solution

The fourth proportional to 1,123,935,177,275.40, 1,685,703,479,141.50 and 511,171,209,253.35 is: 766,666,177,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,935,177,275.40 : 1,685,703,479,141.50 = 511,171,209,253.35 : x
  2. Step 2: Convert to fraction form
    1,123,935,177,275.40/1,685,703,479,141.50 = 511,171,209,253.35/x
  3. Step 3: Cross multiply
    1,123,935,177,275.40x = 1,685,703,479,141.50 × 511,171,209,253.35
  4. Step 4: Simplify right side
    1,123,935,177,275.40x = 861,683,085,875,339,738,480,640
  5. Step 5: Solve for x
    x = 861,683,085,875,339,738,480,640/1,123,935,177,275.40
  6. Step 6: Final answer
    x = 766,666,177,282.75

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Double scale
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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.