Home / 1,150,298,438.20-1,725,447,657.30-966,632,428.60

Finding the Fourth Proportional to 1,150,298,438.20, 1,725,447,657.30 and 966,632,428.60

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Solution

The fourth proportional to 1,150,298,438.20, 1,725,447,657.30 and 966,632,428.60 is: 1,449,948,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,298,438.20 : 1,725,447,657.30 = 966,632,428.60 : x
  2. Step 2: Convert to fraction form
    1,150,298,438.20/1,725,447,657.30 = 966,632,428.60/x
  3. Step 3: Cross multiply
    1,150,298,438.20x = 1,725,447,657.30 × 966,632,428.60
  4. Step 4: Simplify right side
    1,150,298,438.20x = 1,667,873,659,398,079,488
  5. Step 5: Solve for x
    x = 1,667,873,659,398,079,488/1,150,298,438.20
  6. Step 6: Final answer
    x = 1,449,948,642.90

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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.