Home / 273,522,979.74-377,427,129.75-217,909,451.10

Finding the Fourth Proportional to 273,522,979.74, 377,427,129.75 and 217,909,451.10

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Solution

The fourth proportional to 273,522,979.74, 377,427,129.75 and 217,909,451.10 is: 300,687,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,522,979.74 : 377,427,129.75 = 217,909,451.10 : x
  2. Step 2: Convert to fraction form
    273,522,979.74/377,427,129.75 = 217,909,451.10/x
  3. Step 3: Cross multiply
    273,522,979.74x = 377,427,129.75 × 217,909,451.10
  4. Step 4: Simplify right side
    273,522,979.74x = 82,244,938,674,070,976
  5. Step 5: Solve for x
    x = 82,244,938,674,070,976/273,522,979.74
  6. Step 6: Final answer
    x = 300,687,491.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.