Home / 280,252,699-386,760,474.15-161,175,384.24

Finding the Fourth Proportional to 280,252,699, 386,760,474.15 and 161,175,384.24

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Solution

The fourth proportional to 280,252,699, 386,760,474.15 and 161,175,384.24 is: 222,428,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,252,699 : 386,760,474.15 = 161,175,384.24 : x
  2. Step 2: Convert to fraction form
    280,252,699/386,760,474.15 = 161,175,384.24/x
  3. Step 3: Cross multiply
    280,252,699x = 386,760,474.15 × 161,175,384.24
  4. Step 4: Simplify right side
    280,252,699x = 62,336,268,029,970,840
  5. Step 5: Solve for x
    x = 62,336,268,029,970,840/280,252,699
  6. Step 6: Final answer
    x = 222,428,787.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.