Home / 1,112,551,504.80-1,668,827,257.20-810,561,616.80

Finding the Fourth Proportional to 1,112,551,504.80, 1,668,827,257.20 and 810,561,616.80

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Solution

The fourth proportional to 1,112,551,504.80, 1,668,827,257.20 and 810,561,616.80 is: 1,215,842,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,551,504.80 : 1,668,827,257.20 = 810,561,616.80 : x
  2. Step 2: Convert to fraction form
    1,112,551,504.80/1,668,827,257.20 = 810,561,616.80/x
  3. Step 3: Cross multiply
    1,112,551,504.80x = 1,668,827,257.20 × 810,561,616.80
  4. Step 4: Simplify right side
    1,112,551,504.80x = 1,352,687,319,755,941,376
  5. Step 5: Solve for x
    x = 1,352,687,319,755,941,376/1,112,551,504.80
  6. Step 6: Final answer
    x = 1,215,842,425.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.