Home / 415,677,306.28-573,611,342.70-227,505,215.38

Finding the Fourth Proportional to 415,677,306.28, 573,611,342.70 and 227,505,215.38

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Solution

The fourth proportional to 415,677,306.28, 573,611,342.70 and 227,505,215.38 is: 313,944,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,677,306.28 : 573,611,342.70 = 227,505,215.38 : x
  2. Step 2: Convert to fraction form
    415,677,306.28/573,611,342.70 = 227,505,215.38/x
  3. Step 3: Cross multiply
    415,677,306.28x = 573,611,342.70 × 227,505,215.38
  4. Step 4: Simplify right side
    415,677,306.28x = 130,499,572,065,374,496
  5. Step 5: Solve for x
    x = 130,499,572,065,374,496/415,677,306.28
  6. Step 6: Final answer
    x = 313,944,422.98

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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.