Home / 982,747,364.06-1,474,328,105.85-318,709,605.87

Finding the Fourth Proportional to 982,747,364.06, 1,474,328,105.85 and 318,709,605.87

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Solution

The fourth proportional to 982,747,364.06, 1,474,328,105.85 and 318,709,605.87 is: 478,131,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,747,364.06 : 1,474,328,105.85 = 318,709,605.87 : x
  2. Step 2: Convert to fraction form
    982,747,364.06/1,474,328,105.85 = 318,709,605.87/x
  3. Step 3: Cross multiply
    982,747,364.06x = 1,474,328,105.85 × 318,709,605.87
  4. Step 4: Simplify right side
    982,747,364.06x = 469,882,529,538,517,120
  5. Step 5: Solve for x
    x = 469,882,529,538,517,120/982,747,364.06
  6. Step 6: Final answer
    x = 478,131,559.26

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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.