Home / 453,772,969.20-680,659,453.80-443,695,273.20

Finding the Fourth Proportional to 453,772,969.20, 680,659,453.80 and 443,695,273.20

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Solution

The fourth proportional to 453,772,969.20, 680,659,453.80 and 443,695,273.20 is: 665,542,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,772,969.20 : 680,659,453.80 = 443,695,273.20 : x
  2. Step 2: Convert to fraction form
    453,772,969.20/680,659,453.80 = 443,695,273.20/x
  3. Step 3: Cross multiply
    453,772,969.20x = 680,659,453.80 × 443,695,273.20
  4. Step 4: Simplify right side
    453,772,969.20x = 302,005,382,309,953,728
  5. Step 5: Solve for x
    x = 302,005,382,309,953,728/453,772,969.20
  6. Step 6: Final answer
    x = 665,542,909.80

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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.