Home / 252,755,817.60-379,133,726.40-218,743,593.60

Finding the Fourth Proportional to 252,755,817.60, 379,133,726.40 and 218,743,593.60

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Solution

The fourth proportional to 252,755,817.60, 379,133,726.40 and 218,743,593.60 is: 328,115,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,755,817.60 : 379,133,726.40 = 218,743,593.60 : x
  2. Step 2: Convert to fraction form
    252,755,817.60/379,133,726.40 = 218,743,593.60/x
  3. Step 3: Cross multiply
    252,755,817.60x = 379,133,726.40 × 218,743,593.60
  4. Step 4: Simplify right side
    252,755,817.60x = 82,933,073,767,695,184
  5. Step 5: Solve for x
    x = 82,933,073,767,695,184/252,755,817.60
  6. Step 6: Final answer
    x = 328,115,390.40

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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.