Home / 787,968,267.20-1,181,952,400.80-327,753,483.20

Finding the Fourth Proportional to 787,968,267.20, 1,181,952,400.80 and 327,753,483.20

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Solution

The fourth proportional to 787,968,267.20, 1,181,952,400.80 and 327,753,483.20 is: 491,630,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,968,267.20 : 1,181,952,400.80 = 327,753,483.20 : x
  2. Step 2: Convert to fraction form
    787,968,267.20/1,181,952,400.80 = 327,753,483.20/x
  3. Step 3: Cross multiply
    787,968,267.20x = 1,181,952,400.80 × 327,753,483.20
  4. Step 4: Simplify right side
    787,968,267.20x = 387,389,016,338,802,432
  5. Step 5: Solve for x
    x = 387,389,016,338,802,432/787,968,267.20
  6. Step 6: Final answer
    x = 491,630,224.80

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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.