Home / 814,473,099.75-1,222,085,381.29-371,951,437.76

Finding the Fourth Proportional to 814,473,099.75, 1,222,085,381.29 and 371,951,437.76

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Solution

The fourth proportional to 814,473,099.75, 1,222,085,381.29 and 371,951,437.76 is: 558,098,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,473,099.75 : 1,222,085,381.29 = 371,951,437.76 : x
  2. Step 2: Convert to fraction form
    814,473,099.75/1,222,085,381.29 = 371,951,437.76/x
  3. Step 3: Cross multiply
    814,473,099.75x = 1,222,085,381.29 × 371,951,437.76
  4. Step 4: Simplify right side
    814,473,099.75x = 454,556,414,628,323,136
  5. Step 5: Solve for x
    x = 454,556,414,628,323,136/814,473,099.75
  6. Step 6: Final answer
    x = 558,098,744.78

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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.