Home / 355,298,608.20-532,947,912.30-112,986,006.60

Finding the Fourth Proportional to 355,298,608.20, 532,947,912.30 and 112,986,006.60

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Solution

The fourth proportional to 355,298,608.20, 532,947,912.30 and 112,986,006.60 is: 169,479,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,298,608.20 : 532,947,912.30 = 112,986,006.60 : x
  2. Step 2: Convert to fraction form
    355,298,608.20/532,947,912.30 = 112,986,006.60/x
  3. Step 3: Cross multiply
    355,298,608.20x = 532,947,912.30 × 112,986,006.60
  4. Step 4: Simplify right side
    355,298,608.20x = 60,215,656,336,584,016
  5. Step 5: Solve for x
    x = 60,215,656,336,584,016/355,298,608.20
  6. Step 6: Final answer
    x = 169,479,009.90

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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.