Home / 808,201,387.20-1,212,302,080.80-614,491,142.70

Finding the Fourth Proportional to 808,201,387.20, 1,212,302,080.80 and 614,491,142.70

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Solution

The fourth proportional to 808,201,387.20, 1,212,302,080.80 and 614,491,142.70 is: 921,736,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,201,387.20 : 1,212,302,080.80 = 614,491,142.70 : x
  2. Step 2: Convert to fraction form
    808,201,387.20/1,212,302,080.80 = 614,491,142.70/x
  3. Step 3: Cross multiply
    808,201,387.20x = 1,212,302,080.80 × 614,491,142.70
  4. Step 4: Simplify right side
    808,201,387.20x = 744,948,890,928,379,776
  5. Step 5: Solve for x
    x = 744,948,890,928,379,776/808,201,387.20
  6. Step 6: Final answer
    x = 921,736,714.05

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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.