Home / 551,598,120.72-761,207,711.40-304,074,043.92

Finding the Fourth Proportional to 551,598,120.72, 761,207,711.40 and 304,074,043.92

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Solution

The fourth proportional to 551,598,120.72, 761,207,711.40 and 304,074,043.92 is: 419,623,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,598,120.72 : 761,207,711.40 = 304,074,043.92 : x
  2. Step 2: Convert to fraction form
    551,598,120.72/761,207,711.40 = 304,074,043.92/x
  3. Step 3: Cross multiply
    551,598,120.72x = 761,207,711.40 × 304,074,043.92
  4. Step 4: Simplify right side
    551,598,120.72x = 231,463,507,068,486,304
  5. Step 5: Solve for x
    x = 231,463,507,068,486,304/551,598,120.72
  6. Step 6: Final answer
    x = 419,623,451.16

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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.