Home / 880,693,478.70-1,321,040,218.05-267,276,720.30

Finding the Fourth Proportional to 880,693,478.70, 1,321,040,218.05 and 267,276,720.30

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Solution

The fourth proportional to 880,693,478.70, 1,321,040,218.05 and 267,276,720.30 is: 400,915,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,693,478.70 : 1,321,040,218.05 = 267,276,720.30 : x
  2. Step 2: Convert to fraction form
    880,693,478.70/1,321,040,218.05 = 267,276,720.30/x
  3. Step 3: Cross multiply
    880,693,478.70x = 1,321,040,218.05 × 267,276,720.30
  4. Step 4: Simplify right side
    880,693,478.70x = 353,083,296,864,800,896
  5. Step 5: Solve for x
    x = 353,083,296,864,800,896/880,693,478.70
  6. Step 6: Final answer
    x = 400,915,080.45

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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.