Home / 511,387,204.16-767,626,685.28-220,397,933.12

Finding the Fourth Proportional to 511,387,204.16, 767,626,685.28 and 220,397,933.12

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Solution

The fourth proportional to 511,387,204.16, 767,626,685.28 and 220,397,933.12 is: 330,832,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,387,204.16 : 767,626,685.28 = 220,397,933.12 : x
  2. Step 2: Convert to fraction form
    511,387,204.16/767,626,685.28 = 220,397,933.12/x
  3. Step 3: Cross multiply
    511,387,204.16x = 767,626,685.28 × 220,397,933.12
  4. Step 4: Simplify right side
    511,387,204.16x = 169,183,334,843,468,736
  5. Step 5: Solve for x
    x = 169,183,334,843,468,736/511,387,204.16
  6. Step 6: Final answer
    x = 330,832,162.92

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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.