Home / 808,201,426.20-1,212,302,139.30-614,491,181.70

Finding the Fourth Proportional to 808,201,426.20, 1,212,302,139.30 and 614,491,181.70

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Solution

The fourth proportional to 808,201,426.20, 1,212,302,139.30 and 614,491,181.70 is: 921,736,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,201,426.20 : 1,212,302,139.30 = 614,491,181.70 : x
  2. Step 2: Convert to fraction form
    808,201,426.20/1,212,302,139.30 = 614,491,181.70/x
  3. Step 3: Cross multiply
    808,201,426.20x = 1,212,302,139.30 × 614,491,181.70
  4. Step 4: Simplify right side
    808,201,426.20x = 744,948,974,155,895,040
  5. Step 5: Solve for x
    x = 744,948,974,155,895,040/808,201,426.20
  6. Step 6: Final answer
    x = 921,736,772.55

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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.