Home / 654,578,761.97-903,318,452.92-357,221,004.85

Finding the Fourth Proportional to 654,578,761.97, 903,318,452.92 and 357,221,004.85

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Solution

The fourth proportional to 654,578,761.97, 903,318,452.92 and 357,221,004.85 is: 492,964,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,578,761.97 : 903,318,452.92 = 357,221,004.85 : x
  2. Step 2: Convert to fraction form
    654,578,761.97/903,318,452.92 = 357,221,004.85/x
  3. Step 3: Cross multiply
    654,578,761.97x = 903,318,452.92 × 357,221,004.85
  4. Step 4: Simplify right side
    654,578,761.97x = 322,684,325,446,119,360
  5. Step 5: Solve for x
    x = 322,684,325,446,119,360/654,578,761.97
  6. Step 6: Final answer
    x = 492,964,856.48

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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.