Home / 765,194,552.12-1,055,934,511.84-426,120,516.62

Finding the Fourth Proportional to 765,194,552.12, 1,055,934,511.84 and 426,120,516.62

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Solution

The fourth proportional to 765,194,552.12, 1,055,934,511.84 and 426,120,516.62 is: 588,027,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,194,552.12 : 1,055,934,511.84 = 426,120,516.62 : x
  2. Step 2: Convert to fraction form
    765,194,552.12/1,055,934,511.84 = 426,120,516.62/x
  3. Step 3: Cross multiply
    765,194,552.12x = 1,055,934,511.84 × 426,120,516.62
  4. Step 4: Simplify right side
    765,194,552.12x = 449,955,359,701,339,712
  5. Step 5: Solve for x
    x = 449,955,359,701,339,712/765,194,552.12
  6. Step 6: Final answer
    x = 588,027,395.72

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1.5x scale

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.