Home / 488,325,385.20-732,488,077.80-396,492,380.40

Finding the Fourth Proportional to 488,325,385.20, 732,488,077.80 and 396,492,380.40

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Solution

The fourth proportional to 488,325,385.20, 732,488,077.80 and 396,492,380.40 is: 594,738,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,325,385.20 : 732,488,077.80 = 396,492,380.40 : x
  2. Step 2: Convert to fraction form
    488,325,385.20/732,488,077.80 = 396,492,380.40/x
  3. Step 3: Cross multiply
    488,325,385.20x = 732,488,077.80 × 396,492,380.40
  4. Step 4: Simplify right side
    488,325,385.20x = 290,425,941,581,542,336
  5. Step 5: Solve for x
    x = 290,425,941,581,542,336/488,325,385.20
  6. Step 6: Final answer
    x = 594,738,570.60

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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.