Home / 449,375,579.10-674,137,143.45-138,483,250.20

Finding the Fourth Proportional to 449,375,579.10, 674,137,143.45 and 138,483,250.20

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Solution

The fourth proportional to 449,375,579.10, 674,137,143.45 and 138,483,250.20 is: 207,747,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,375,579.10 : 674,137,143.45 = 138,483,250.20 : x
  2. Step 2: Convert to fraction form
    449,375,579.10/674,137,143.45 = 138,483,250.20/x
  3. Step 3: Cross multiply
    449,375,579.10x = 674,137,143.45 × 138,483,250.20
  4. Step 4: Simplify right side
    449,375,579.10x = 93,356,702,705,499,632
  5. Step 5: Solve for x
    x = 93,356,702,705,499,632/449,375,579.10
  6. Step 6: Final answer
    x = 207,747,610.35

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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.