Home / 488,974,481.70-674,723,538.68-330,549,306.31

Finding the Fourth Proportional to 488,974,481.70, 674,723,538.68 and 330,549,306.31

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Solution

The fourth proportional to 488,974,481.70, 674,723,538.68 and 330,549,306.31 is: 456,116,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,974,481.70 : 674,723,538.68 = 330,549,306.31 : x
  2. Step 2: Convert to fraction form
    488,974,481.70/674,723,538.68 = 330,549,306.31/x
  3. Step 3: Cross multiply
    488,974,481.70x = 674,723,538.68 × 330,549,306.31
  4. Step 4: Simplify right side
    488,974,481.70x = 223,029,397,661,702,432
  5. Step 5: Solve for x
    x = 223,029,397,661,702,432/488,974,481.70
  6. Step 6: Final answer
    x = 456,116,640.05

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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.