Home / 499,274,121.60-748,687,233.60-192,464,265.60

Finding the Fourth Proportional to 499,274,121.60, 748,687,233.60 and 192,464,265.60

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Solution

The fourth proportional to 499,274,121.60, 748,687,233.60 and 192,464,265.60 is: 288,610,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,274,121.60 : 748,687,233.60 = 192,464,265.60 : x
  2. Step 2: Convert to fraction form
    499,274,121.60/748,687,233.60 = 192,464,265.60/x
  3. Step 3: Cross multiply
    499,274,121.60x = 748,687,233.60 × 192,464,265.60
  4. Step 4: Simplify right side
    499,274,121.60x = 144,095,538,578,919,648
  5. Step 5: Solve for x
    x = 144,095,538,578,919,648/499,274,121.60
  6. Step 6: Final answer
    x = 288,610,068.79

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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.