Home / 880,692,078.20-1,321,038,117.30-267,275,319.80

Finding the Fourth Proportional to 880,692,078.20, 1,321,038,117.30 and 267,275,319.80

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Solution

The fourth proportional to 880,692,078.20, 1,321,038,117.30 and 267,275,319.80 is: 400,912,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,692,078.20 : 1,321,038,117.30 = 267,275,319.80 : x
  2. Step 2: Convert to fraction form
    880,692,078.20/1,321,038,117.30 = 267,275,319.80/x
  3. Step 3: Cross multiply
    880,692,078.20x = 1,321,038,117.30 × 267,275,319.80
  4. Step 4: Simplify right side
    880,692,078.20x = 353,080,885,269,347,392
  5. Step 5: Solve for x
    x = 353,080,885,269,347,392/880,692,078.20
  6. Step 6: Final answer
    x = 400,912,979.70

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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.