Home / 645,794,791.34-891,472,287.92-434,224,254.11

Finding the Fourth Proportional to 645,794,791.34, 891,472,287.92 and 434,224,254.11

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Solution

The fourth proportional to 645,794,791.34, 891,472,287.92 and 434,224,254.11 is: 599,414,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,794,791.34 : 891,472,287.92 = 434,224,254.11 : x
  2. Step 2: Convert to fraction form
    645,794,791.34/891,472,287.92 = 434,224,254.11/x
  3. Step 3: Cross multiply
    645,794,791.34x = 891,472,287.92 × 434,224,254.11
  4. Step 4: Simplify right side
    645,794,791.34x = 387,098,889,275,168,704
  5. Step 5: Solve for x
    x = 387,098,889,275,168,704/645,794,791.34
  6. Step 6: Final answer
    x = 599,414,697.16

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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.