Home / 807,206,311.31-1,113,944,666.96-435,928,306.91

Finding the Fourth Proportional to 807,206,311.31, 1,113,944,666.96 and 435,928,306.91

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Solution

The fourth proportional to 807,206,311.31, 1,113,944,666.96 and 435,928,306.91 is: 601,581,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,206,311.31 : 1,113,944,666.96 = 435,928,306.91 : x
  2. Step 2: Convert to fraction form
    807,206,311.31/1,113,944,666.96 = 435,928,306.91/x
  3. Step 3: Cross multiply
    807,206,311.31x = 1,113,944,666.96 × 435,928,306.91
  4. Step 4: Simplify right side
    807,206,311.31x = 485,600,012,654,816,704
  5. Step 5: Solve for x
    x = 485,600,012,654,816,704/807,206,311.31
  6. Step 6: Final answer
    x = 601,581,040.50

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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.