Home / 726,178,314.12-1,001,989,016.82-432,850,175.88

Finding the Fourth Proportional to 726,178,314.12, 1,001,989,016.82 and 432,850,175.88

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Solution

The fourth proportional to 726,178,314.12, 1,001,989,016.82 and 432,850,175.88 is: 597,251,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,178,314.12 : 1,001,989,016.82 = 432,850,175.88 : x
  2. Step 2: Convert to fraction form
    726,178,314.12/1,001,989,016.82 = 432,850,175.88/x
  3. Step 3: Cross multiply
    726,178,314.12x = 1,001,989,016.82 × 432,850,175.88
  4. Step 4: Simplify right side
    726,178,314.12x = 433,711,122,160,365,312
  5. Step 5: Solve for x
    x = 433,711,122,160,365,312/726,178,314.12
  6. Step 6: Final answer
    x = 597,251,547.90

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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.