Home / 1,520,422,258.50-2,098,182,716.73-825,061,234.50

Finding the Fourth Proportional to 1,520,422,258.50, 2,098,182,716.73 and 825,061,234.50

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Solution

The fourth proportional to 1,520,422,258.50, 2,098,182,716.73 and 825,061,234.50 is: 1,138,584,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,422,258.50 : 2,098,182,716.73 = 825,061,234.50 : x
  2. Step 2: Convert to fraction form
    1,520,422,258.50/2,098,182,716.73 = 825,061,234.50/x
  3. Step 3: Cross multiply
    1,520,422,258.50x = 2,098,182,716.73 × 825,061,234.50
  4. Step 4: Simplify right side
    1,520,422,258.50x = 1,731,129,222,471,817,728
  5. Step 5: Solve for x
    x = 1,731,129,222,471,817,728/1,520,422,258.50
  6. Step 6: Final answer
    x = 1,138,584,503.61

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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.