Home / 837,942,120.05-1,156,396,002.05-466,664,150.21

Finding the Fourth Proportional to 837,942,120.05, 1,156,396,002.05 and 466,664,150.21

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Solution

The fourth proportional to 837,942,120.05, 1,156,396,002.05 and 466,664,150.21 is: 644,016,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,942,120.05 : 1,156,396,002.05 = 466,664,150.21 : x
  2. Step 2: Convert to fraction form
    837,942,120.05/1,156,396,002.05 = 466,664,150.21/x
  3. Step 3: Cross multiply
    837,942,120.05x = 1,156,396,002.05 × 466,664,150.21
  4. Step 4: Simplify right side
    837,942,120.05x = 539,648,557,598,289,344
  5. Step 5: Solve for x
    x = 539,648,557,598,289,344/837,942,120.05
  6. Step 6: Final answer
    x = 644,016,507.45

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1.5x scale

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.