Home / 488,715,212.56-674,421,047.76-363,825,394.96

Finding the Fourth Proportional to 488,715,212.56, 674,421,047.76 and 363,825,394.96

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Solution

The fourth proportional to 488,715,212.56, 674,421,047.76 and 363,825,394.96 is: 502,074,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,715,212.56 : 674,421,047.76 = 363,825,394.96 : x
  2. Step 2: Convert to fraction form
    488,715,212.56/674,421,047.76 = 363,825,394.96/x
  3. Step 3: Cross multiply
    488,715,212.56x = 674,421,047.76 × 363,825,394.96
  4. Step 4: Simplify right side
    488,715,212.56x = 245,371,504,070,619,008
  5. Step 5: Solve for x
    x = 245,371,504,070,619,008/488,715,212.56
  6. Step 6: Final answer
    x = 502,074,618.85

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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.