Home / 418,845,772.86-578,000,114.55-230,691,588.18

Finding the Fourth Proportional to 418,845,772.86, 578,000,114.55 and 230,691,588.18

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Solution

The fourth proportional to 418,845,772.86, 578,000,114.55 and 230,691,588.18 is: 318,350,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,845,772.86 : 578,000,114.55 = 230,691,588.18 : x
  2. Step 2: Convert to fraction form
    418,845,772.86/578,000,114.55 = 230,691,588.18/x
  3. Step 3: Cross multiply
    418,845,772.86x = 578,000,114.55 × 230,691,588.18
  4. Step 4: Simplify right side
    418,845,772.86x = 133,339,764,393,761,424
  5. Step 5: Solve for x
    x = 133,339,764,393,761,424/418,845,772.86
  6. Step 6: Final answer
    x = 318,350,507.59

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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.