Home / 880,680,047.20-1,321,020,070.80-267,263,288.80

Finding the Fourth Proportional to 880,680,047.20, 1,321,020,070.80 and 267,263,288.80

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Solution

The fourth proportional to 880,680,047.20, 1,321,020,070.80 and 267,263,288.80 is: 400,894,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,680,047.20 : 1,321,020,070.80 = 267,263,288.80 : x
  2. Step 2: Convert to fraction form
    880,680,047.20/1,321,020,070.80 = 267,263,288.80/x
  3. Step 3: Cross multiply
    880,680,047.20x = 1,321,020,070.80 × 267,263,288.80
  4. Step 4: Simplify right side
    880,680,047.20x = 353,060,168,692,816,832
  5. Step 5: Solve for x
    x = 353,060,168,692,816,832/880,680,047.20
  6. Step 6: Final answer
    x = 400,894,933.20

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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.