Home / 808,201,385.20-1,212,302,077.80-614,491,140.70

Finding the Fourth Proportional to 808,201,385.20, 1,212,302,077.80 and 614,491,140.70

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Solution

The fourth proportional to 808,201,385.20, 1,212,302,077.80 and 614,491,140.70 is: 921,736,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,201,385.20 : 1,212,302,077.80 = 614,491,140.70 : x
  2. Step 2: Convert to fraction form
    808,201,385.20/1,212,302,077.80 = 614,491,140.70/x
  3. Step 3: Cross multiply
    808,201,385.20x = 1,212,302,077.80 × 614,491,140.70
  4. Step 4: Simplify right side
    808,201,385.20x = 744,948,886,660,302,208
  5. Step 5: Solve for x
    x = 744,948,886,660,302,208/808,201,385.20
  6. Step 6: Final answer
    x = 921,736,711.05

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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.