Home / 408,924,084.30-613,386,126.45-245,665,409.10

Finding the Fourth Proportional to 408,924,084.30, 613,386,126.45 and 245,665,409.10

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Solution

The fourth proportional to 408,924,084.30, 613,386,126.45 and 245,665,409.10 is: 368,498,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,924,084.30 : 613,386,126.45 = 245,665,409.10 : x
  2. Step 2: Convert to fraction form
    408,924,084.30/613,386,126.45 = 245,665,409.10/x
  3. Step 3: Cross multiply
    408,924,084.30x = 613,386,126.45 × 245,665,409.10
  4. Step 4: Simplify right side
    408,924,084.30x = 150,687,753,690,603,584
  5. Step 5: Solve for x
    x = 150,687,753,690,603,584/408,924,084.30
  6. Step 6: Final answer
    x = 368,498,113.65

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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.