Home / 898,631,145.90-1,347,946,718.85-217,826,793.90

Finding the Fourth Proportional to 898,631,145.90, 1,347,946,718.85 and 217,826,793.90

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Solution

The fourth proportional to 898,631,145.90, 1,347,946,718.85 and 217,826,793.90 is: 326,740,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,631,145.90 : 1,347,946,718.85 = 217,826,793.90 : x
  2. Step 2: Convert to fraction form
    898,631,145.90/1,347,946,718.85 = 217,826,793.90/x
  3. Step 3: Cross multiply
    898,631,145.90x = 1,347,946,718.85 × 217,826,793.90
  4. Step 4: Simplify right side
    898,631,145.90x = 293,618,912,115,120,192
  5. Step 5: Solve for x
    x = 293,618,912,115,120,192/898,631,145.90
  6. Step 6: Final answer
    x = 326,740,190.85

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Similar ratio
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1.5x scale

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.