Home / 1,770,192,139.70-2,655,288,209.55-748,852,901.30

Finding the Fourth Proportional to 1,770,192,139.70, 2,655,288,209.55 and 748,852,901.30

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Solution

The fourth proportional to 1,770,192,139.70, 2,655,288,209.55 and 748,852,901.30 is: 1,123,279,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,192,139.70 : 2,655,288,209.55 = 748,852,901.30 : x
  2. Step 2: Convert to fraction form
    1,770,192,139.70/2,655,288,209.55 = 748,852,901.30/x
  3. Step 3: Cross multiply
    1,770,192,139.70x = 2,655,288,209.55 × 748,852,901.30
  4. Step 4: Simplify right side
    1,770,192,139.70x = 1,988,420,279,509,199,872
  5. Step 5: Solve for x
    x = 1,988,420,279,509,199,872/1,770,192,139.70
  6. Step 6: Final answer
    x = 1,123,279,351.95

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Double scale
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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.