Home / 314,935,999.80-472,403,999.70-271,098,022.20

Finding the Fourth Proportional to 314,935,999.80, 472,403,999.70 and 271,098,022.20

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Solution

The fourth proportional to 314,935,999.80, 472,403,999.70 and 271,098,022.20 is: 406,647,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935,999.80 : 472,403,999.70 = 271,098,022.20 : x
  2. Step 2: Convert to fraction form
    314,935,999.80/472,403,999.70 = 271,098,022.20/x
  3. Step 3: Cross multiply
    314,935,999.80x = 472,403,999.70 × 271,098,022.20
  4. Step 4: Simplify right side
    314,935,999.80x = 128,067,789,998,039,392
  5. Step 5: Solve for x
    x = 128,067,789,998,039,392/314,935,999.80
  6. Step 6: Final answer
    x = 406,647,033.30

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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.