Home / 449,415,454.04-674,123,181.06-126,299,326.04

Finding the Fourth Proportional to 449,415,454.04, 674,123,181.06 and 126,299,326.04

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Solution

The fourth proportional to 449,415,454.04, 674,123,181.06 and 126,299,326.04 is: 189,448,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,415,454.04 : 674,123,181.06 = 126,299,326.04 : x
  2. Step 2: Convert to fraction form
    449,415,454.04/674,123,181.06 = 126,299,326.04/x
  3. Step 3: Cross multiply
    449,415,454.04x = 674,123,181.06 × 126,299,326.04
  4. Step 4: Simplify right side
    449,415,454.04x = 85,141,303,432,448,272
  5. Step 5: Solve for x
    x = 85,141,303,432,448,272/449,415,454.04
  6. Step 6: Final answer
    x = 189,448,989.05

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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.