Home / 290,275,227,404.92-435,414,218,268.12-88,816,641,228.10

Finding the Fourth Proportional to 290,275,227,404.92, 435,414,218,268.12 and 88,816,641,228.10

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Solution

The fourth proportional to 290,275,227,404.92, 435,414,218,268.12 and 88,816,641,228.10 is: 133,225,383,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,275,227,404.92 : 435,414,218,268.12 = 88,816,641,228.10 : x
  2. Step 2: Convert to fraction form
    290,275,227,404.92/435,414,218,268.12 = 88,816,641,228.10/x
  3. Step 3: Cross multiply
    290,275,227,404.92x = 435,414,218,268.12 × 88,816,641,228.10
  4. Step 4: Simplify right side
    290,275,227,404.92x = 38,672,028,409,533,244,112,896
  5. Step 5: Solve for x
    x = 38,672,028,409,533,244,112,896/290,275,227,404.92
  6. Step 6: Final answer
    x = 133,225,383,217.38

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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.