Home / 880,693,429.20-1,321,040,143.80-267,276,670.80

Finding the Fourth Proportional to 880,693,429.20, 1,321,040,143.80 and 267,276,670.80

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Solution

The fourth proportional to 880,693,429.20, 1,321,040,143.80 and 267,276,670.80 is: 400,915,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,693,429.20 : 1,321,040,143.80 = 267,276,670.80 : x
  2. Step 2: Convert to fraction form
    880,693,429.20/1,321,040,143.80 = 267,276,670.80/x
  3. Step 3: Cross multiply
    880,693,429.20x = 1,321,040,143.80 × 267,276,670.80
  4. Step 4: Simplify right side
    880,693,429.20x = 353,083,211,628,017,280
  5. Step 5: Solve for x
    x = 353,083,211,628,017,280/880,693,429.20
  6. Step 6: Final answer
    x = 400,915,006.20

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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.