Home / 423,564,892.38-633,396,917.16-402,902,466.30

Finding the Fourth Proportional to 423,564,892.38, 633,396,917.16 and 402,902,466.30

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Solution

The fourth proportional to 423,564,892.38, 633,396,917.16 and 402,902,466.30 is: 602,498,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,564,892.38 : 633,396,917.16 = 402,902,466.30 : x
  2. Step 2: Convert to fraction form
    423,564,892.38/633,396,917.16 = 402,902,466.30/x
  3. Step 3: Cross multiply
    423,564,892.38x = 633,396,917.16 × 402,902,466.30
  4. Step 4: Simplify right side
    423,564,892.38x = 255,197,180,070,580,800
  5. Step 5: Solve for x
    x = 255,197,180,070,580,800/423,564,892.38
  6. Step 6: Final answer
    x = 602,498,423.88

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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.