Home / 488,974,404.81-674,723,433.42-330,549,229.85

Finding the Fourth Proportional to 488,974,404.81, 674,723,433.42 and 330,549,229.85

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Solution

The fourth proportional to 488,974,404.81, 674,723,433.42 and 330,549,229.85 is: 456,116,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,974,404.81 : 674,723,433.42 = 330,549,229.85 : x
  2. Step 2: Convert to fraction form
    488,974,404.81/674,723,433.42 = 330,549,229.85/x
  3. Step 3: Cross multiply
    488,974,404.81x = 674,723,433.42 × 330,549,229.85
  4. Step 4: Simplify right side
    488,974,404.81x = 223,029,311,278,728,768
  5. Step 5: Solve for x
    x = 223,029,311,278,728,768/488,974,404.81
  6. Step 6: Final answer
    x = 456,116,535.11

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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.