Home / 1,890,862,344.38-2,836,676,171.85-664,126,455.26

Finding the Fourth Proportional to 1,890,862,344.38, 2,836,676,171.85 and 664,126,455.26

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Solution

The fourth proportional to 1,890,862,344.38, 2,836,676,171.85 and 664,126,455.26 is: 996,324,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,862,344.38 : 2,836,676,171.85 = 664,126,455.26 : x
  2. Step 2: Convert to fraction form
    1,890,862,344.38/2,836,676,171.85 = 664,126,455.26/x
  3. Step 3: Cross multiply
    1,890,862,344.38x = 2,836,676,171.85 × 664,126,455.26
  4. Step 4: Simplify right side
    1,890,862,344.38x = 1,883,911,690,717,063,680
  5. Step 5: Solve for x
    x = 1,883,911,690,717,063,680/1,890,862,344.38
  6. Step 6: Final answer
    x = 996,324,082.67

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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.