Home / 418,548,833.80-577,699,902.65-324,276,514.81

Finding the Fourth Proportional to 418,548,833.80, 577,699,902.65 and 324,276,514.81

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Solution

The fourth proportional to 418,548,833.80, 577,699,902.65 and 324,276,514.81 is: 447,581,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,548,833.80 : 577,699,902.65 = 324,276,514.81 : x
  2. Step 2: Convert to fraction form
    418,548,833.80/577,699,902.65 = 324,276,514.81/x
  3. Step 3: Cross multiply
    418,548,833.80x = 577,699,902.65 × 324,276,514.81
  4. Step 4: Simplify right side
    418,548,833.80x = 187,334,511,037,418,272
  5. Step 5: Solve for x
    x = 187,334,511,037,418,272/418,548,833.80
  6. Step 6: Final answer
    x = 447,581,013.04

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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.