Home / 551,428,088.10-827,142,132.15-491,162,678.70

Finding the Fourth Proportional to 551,428,088.10, 827,142,132.15 and 491,162,678.70

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Solution

The fourth proportional to 551,428,088.10, 827,142,132.15 and 491,162,678.70 is: 736,744,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,428,088.10 : 827,142,132.15 = 491,162,678.70 : x
  2. Step 2: Convert to fraction form
    551,428,088.10/827,142,132.15 = 491,162,678.70/x
  3. Step 3: Cross multiply
    551,428,088.10x = 827,142,132.15 × 491,162,678.70
  4. Step 4: Simplify right side
    551,428,088.10x = 406,261,345,292,423,360
  5. Step 5: Solve for x
    x = 406,261,345,292,423,360/551,428,088.10
  6. Step 6: Final answer
    x = 736,744,018.05

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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.