Home / 808,201,385.70-1,212,302,078.55-614,491,141.20

Finding the Fourth Proportional to 808,201,385.70, 1,212,302,078.55 and 614,491,141.20

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Solution

The fourth proportional to 808,201,385.70, 1,212,302,078.55 and 614,491,141.20 is: 921,736,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,201,385.70 : 1,212,302,078.55 = 614,491,141.20 : x
  2. Step 2: Convert to fraction form
    808,201,385.70/1,212,302,078.55 = 614,491,141.20/x
  3. Step 3: Cross multiply
    808,201,385.70x = 1,212,302,078.55 × 614,491,141.20
  4. Step 4: Simplify right side
    808,201,385.70x = 744,948,887,727,321,600
  5. Step 5: Solve for x
    x = 744,948,887,727,321,600/808,201,385.70
  6. Step 6: Final answer
    x = 921,736,711.80

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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.