Home / 456,224,008.20-684,336,012.30-149,442,145.80

Finding the Fourth Proportional to 456,224,008.20, 684,336,012.30 and 149,442,145.80

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Solution

The fourth proportional to 456,224,008.20, 684,336,012.30 and 149,442,145.80 is: 224,163,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,224,008.20 : 684,336,012.30 = 149,442,145.80 : x
  2. Step 2: Convert to fraction form
    456,224,008.20/684,336,012.30 = 149,442,145.80/x
  3. Step 3: Cross multiply
    456,224,008.20x = 684,336,012.30 × 149,442,145.80
  4. Step 4: Simplify right side
    456,224,008.20x = 102,268,642,126,327,200
  5. Step 5: Solve for x
    x = 102,268,642,126,327,200/456,224,008.20
  6. Step 6: Final answer
    x = 224,163,218.70

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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.