Home / 488,451,512.80-732,677,269.20-485,050,290.40

Finding the Fourth Proportional to 488,451,512.80, 732,677,269.20 and 485,050,290.40

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Solution

The fourth proportional to 488,451,512.80, 732,677,269.20 and 485,050,290.40 is: 727,575,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,451,512.80 : 732,677,269.20 = 485,050,290.40 : x
  2. Step 2: Convert to fraction form
    488,451,512.80/732,677,269.20 = 485,050,290.40/x
  3. Step 3: Cross multiply
    488,451,512.80x = 732,677,269.20 × 485,050,290.40
  4. Step 4: Simplify right side
    488,451,512.80x = 355,385,322,194,939,008
  5. Step 5: Solve for x
    x = 355,385,322,194,939,008/488,451,512.80
  6. Step 6: Final answer
    x = 727,575,435.60

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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.