Home / 5,429,943,086.20-8,144,914,629.30-2,158,392,290.20

Finding the Fourth Proportional to 5,429,943,086.20, 8,144,914,629.30 and 2,158,392,290.20

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Solution

The fourth proportional to 5,429,943,086.20, 8,144,914,629.30 and 2,158,392,290.20 is: 3,237,588,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,943,086.20 : 8,144,914,629.30 = 2,158,392,290.20 : x
  2. Step 2: Convert to fraction form
    5,429,943,086.20/8,144,914,629.30 = 2,158,392,290.20/x
  3. Step 3: Cross multiply
    5,429,943,086.20x = 8,144,914,629.30 × 2,158,392,290.20
  4. Step 4: Simplify right side
    5,429,943,086.20x = 17,579,920,940,218,310,656
  5. Step 5: Solve for x
    x = 17,579,920,940,218,310,656/5,429,943,086.20
  6. Step 6: Final answer
    x = 3,237,588,435.30

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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.