Home / 880,680,006.20-1,321,020,009.30-267,263,247.80

Finding the Fourth Proportional to 880,680,006.20, 1,321,020,009.30 and 267,263,247.80

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Solution

The fourth proportional to 880,680,006.20, 1,321,020,009.30 and 267,263,247.80 is: 400,894,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,680,006.20 : 1,321,020,009.30 = 267,263,247.80 : x
  2. Step 2: Convert to fraction form
    880,680,006.20/1,321,020,009.30 = 267,263,247.80/x
  3. Step 3: Cross multiply
    880,680,006.20x = 1,321,020,009.30 × 267,263,247.80
  4. Step 4: Simplify right side
    880,680,006.20x = 353,060,098,094,304,192
  5. Step 5: Solve for x
    x = 353,060,098,094,304,192/880,680,006.20
  6. Step 6: Final answer
    x = 400,894,871.70

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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.