Home / 319,873,503.28-479,987,304.84-156,112,616.32

Finding the Fourth Proportional to 319,873,503.28, 479,987,304.84 and 156,112,616.32

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Solution

The fourth proportional to 319,873,503.28, 479,987,304.84 and 156,112,616.32 is: 234,255,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,873,503.28 : 479,987,304.84 = 156,112,616.32 : x
  2. Step 2: Convert to fraction form
    319,873,503.28/479,987,304.84 = 156,112,616.32/x
  3. Step 3: Cross multiply
    319,873,503.28x = 479,987,304.84 × 156,112,616.32
  4. Step 4: Simplify right side
    319,873,503.28x = 74,932,073,958,957,792
  5. Step 5: Solve for x
    x = 74,932,073,958,957,792/319,873,503.28
  6. Step 6: Final answer
    x = 234,255,332.78

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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.