Home / 509,523,336.60-763,151,264.10-418,824,072.60

Finding the Fourth Proportional to 509,523,336.60, 763,151,264.10 and 418,824,072.60

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Solution

The fourth proportional to 509,523,336.60, 763,151,264.10 and 418,824,072.60 is: 627,304,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,523,336.60 : 763,151,264.10 = 418,824,072.60 : x
  2. Step 2: Convert to fraction form
    509,523,336.60/763,151,264.10 = 418,824,072.60/x
  3. Step 3: Cross multiply
    509,523,336.60x = 763,151,264.10 × 418,824,072.60
  4. Step 4: Simplify right side
    509,523,336.60x = 319,626,120,440,200,192
  5. Step 5: Solve for x
    x = 319,626,120,440,200,192/509,523,336.60
  6. Step 6: Final answer
    x = 627,304,183.11

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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.