Home / 261,505,604.20-392,258,406.30-170,806,340.20

Finding the Fourth Proportional to 261,505,604.20, 392,258,406.30 and 170,806,340.20

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Solution

The fourth proportional to 261,505,604.20, 392,258,406.30 and 170,806,340.20 is: 256,209,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,505,604.20 : 392,258,406.30 = 170,806,340.20 : x
  2. Step 2: Convert to fraction form
    261,505,604.20/392,258,406.30 = 170,806,340.20/x
  3. Step 3: Cross multiply
    261,505,604.20x = 392,258,406.30 × 170,806,340.20
  4. Step 4: Simplify right side
    261,505,604.20x = 67,000,222,792,787,624
  5. Step 5: Solve for x
    x = 67,000,222,792,787,624/261,505,604.20
  6. Step 6: Final answer
    x = 256,209,510.30

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Double scale
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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.