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Finding the Fourth Proportional to 264,651,210.90, 396,976,816.35 and 243,488,049.30

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Solution

The fourth proportional to 264,651,210.90, 396,976,816.35 and 243,488,049.30 is: 365,232,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,651,210.90 : 396,976,816.35 = 243,488,049.30 : x
  2. Step 2: Convert to fraction form
    264,651,210.90/396,976,816.35 = 243,488,049.30/x
  3. Step 3: Cross multiply
    264,651,210.90x = 396,976,816.35 × 243,488,049.30
  4. Step 4: Simplify right side
    264,651,210.90x = 96,659,110,630,385,856
  5. Step 5: Solve for x
    x = 96,659,110,630,385,856/264,651,210.90
  6. Step 6: Final answer
    x = 365,232,073.95

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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.