Home / 787,968,201.20-1,181,952,301.80-327,753,417.20

Finding the Fourth Proportional to 787,968,201.20, 1,181,952,301.80 and 327,753,417.20

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Solution

The fourth proportional to 787,968,201.20, 1,181,952,301.80 and 327,753,417.20 is: 491,630,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,968,201.20 : 1,181,952,301.80 = 327,753,417.20 : x
  2. Step 2: Convert to fraction form
    787,968,201.20/1,181,952,301.80 = 327,753,417.20/x
  3. Step 3: Cross multiply
    787,968,201.20x = 1,181,952,301.80 × 327,753,417.20
  4. Step 4: Simplify right side
    787,968,201.20x = 387,388,905,882,355,712
  5. Step 5: Solve for x
    x = 387,388,905,882,355,712/787,968,201.20
  6. Step 6: Final answer
    x = 491,630,125.80

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1.5x scale

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.