Home / 681,551,623.20-1,020,230,631.40-444,691,126.92

Finding the Fourth Proportional to 681,551,623.20, 1,020,230,631.40 and 444,691,126.92

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Solution

The fourth proportional to 681,551,623.20, 1,020,230,631.40 and 444,691,126.92 is: 665,668,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,551,623.20 : 1,020,230,631.40 = 444,691,126.92 : x
  2. Step 2: Convert to fraction form
    681,551,623.20/1,020,230,631.40 = 444,691,126.92/x
  3. Step 3: Cross multiply
    681,551,623.20x = 1,020,230,631.40 × 444,691,126.92
  4. Step 4: Simplify right side
    681,551,623.20x = 453,687,509,195,569,152
  5. Step 5: Solve for x
    x = 453,687,509,195,569,152/681,551,623.20
  6. Step 6: Final answer
    x = 665,668,591.71

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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.