Home / 488,448,712.30-732,673,068.45-485,047,489.90

Finding the Fourth Proportional to 488,448,712.30, 732,673,068.45 and 485,047,489.90

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Solution

The fourth proportional to 488,448,712.30, 732,673,068.45 and 485,047,489.90 is: 727,571,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,448,712.30 : 732,673,068.45 = 485,047,489.90 : x
  2. Step 2: Convert to fraction form
    488,448,712.30/732,673,068.45 = 485,047,489.90/x
  3. Step 3: Cross multiply
    488,448,712.30x = 732,673,068.45 × 485,047,489.90
  4. Step 4: Simplify right side
    488,448,712.30x = 355,381,232,769,003,392
  5. Step 5: Solve for x
    x = 355,381,232,769,003,392/488,448,712.30
  6. Step 6: Final answer
    x = 727,571,234.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.