Home / 672,346,530.28-927,839,449.87-375,007,937.66

Finding the Fourth Proportional to 672,346,530.28, 927,839,449.87 and 375,007,937.66

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Solution

The fourth proportional to 672,346,530.28, 927,839,449.87 and 375,007,937.66 is: 517,511,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,346,530.28 : 927,839,449.87 = 375,007,937.66 : x
  2. Step 2: Convert to fraction form
    672,346,530.28/927,839,449.87 = 375,007,937.66/x
  3. Step 3: Cross multiply
    672,346,530.28x = 927,839,449.87 × 375,007,937.66
  4. Step 4: Simplify right side
    672,346,530.28x = 347,947,158,570,698,432
  5. Step 5: Solve for x
    x = 347,947,158,570,698,432/672,346,530.28
  6. Step 6: Final answer
    x = 517,511,644.52

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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.