Home / 1,123,935,177,278.50-1,685,703,479,146.30-511,171,209,256.51

Finding the Fourth Proportional to 1,123,935,177,278.50, 1,685,703,479,146.30 and 511,171,209,256.51

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Solution

The fourth proportional to 1,123,935,177,278.50, 1,685,703,479,146.30 and 511,171,209,256.51 is: 766,666,177,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,935,177,278.50 : 1,685,703,479,146.30 = 511,171,209,256.51 : x
  2. Step 2: Convert to fraction form
    1,123,935,177,278.50/1,685,703,479,146.30 = 511,171,209,256.51/x
  3. Step 3: Cross multiply
    1,123,935,177,278.50x = 1,685,703,479,146.30 × 511,171,209,256.51
  4. Step 4: Simplify right side
    1,123,935,177,278.50x = 861,683,085,883,120,340,172,800
  5. Step 5: Solve for x
    x = 861,683,085,883,120,340,172,800/1,123,935,177,278.50
  6. Step 6: Final answer
    x = 766,666,177,287.56

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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.