Home / 663,552,000.20-995,328,000.30-421,488,230.60

Finding the Fourth Proportional to 663,552,000.20, 995,328,000.30 and 421,488,230.60

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Solution

The fourth proportional to 663,552,000.20, 995,328,000.30 and 421,488,230.60 is: 632,232,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,000.20 : 995,328,000.30 = 421,488,230.60 : x
  2. Step 2: Convert to fraction form
    663,552,000.20/995,328,000.30 = 421,488,230.60/x
  3. Step 3: Cross multiply
    663,552,000.20x = 995,328,000.30 × 421,488,230.60
  4. Step 4: Simplify right side
    663,552,000.20x = 419,519,037,713,083,264
  5. Step 5: Solve for x
    x = 419,519,037,713,083,264/663,552,000.20
  6. Step 6: Final answer
    x = 632,232,345.90

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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.