Home / 555,384,917.38-766,426,939.38-304,486,306.90

Finding the Fourth Proportional to 555,384,917.38, 766,426,939.38 and 304,486,306.90

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Solution

The fourth proportional to 555,384,917.38, 766,426,939.38 and 304,486,306.90 is: 420,188,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,384,917.38 : 766,426,939.38 = 304,486,306.90 : x
  2. Step 2: Convert to fraction form
    555,384,917.38/766,426,939.38 = 304,486,306.90/x
  3. Step 3: Cross multiply
    555,384,917.38x = 766,426,939.38 × 304,486,306.90
  4. Step 4: Simplify right side
    555,384,917.38x = 233,366,508,280,486,368
  5. Step 5: Solve for x
    x = 233,366,508,280,486,368/555,384,917.38
  6. Step 6: Final answer
    x = 420,188,775.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.