Home / 672,346,517.97-927,839,432.89-375,007,925.32

Finding the Fourth Proportional to 672,346,517.97, 927,839,432.89 and 375,007,925.32

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Solution

The fourth proportional to 672,346,517.97, 927,839,432.89 and 375,007,925.32 is: 517,511,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,346,517.97 : 927,839,432.89 = 375,007,925.32 : x
  2. Step 2: Convert to fraction form
    672,346,517.97/927,839,432.89 = 375,007,925.32/x
  3. Step 3: Cross multiply
    672,346,517.97x = 927,839,432.89 × 375,007,925.32
  4. Step 4: Simplify right side
    672,346,517.97x = 347,947,140,760,479,680
  5. Step 5: Solve for x
    x = 347,947,140,760,479,680/672,346,517.97
  6. Step 6: Final answer
    x = 517,511,627.50

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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.