Home / 5,181,555,630.80-7,772,333,446.20-2,561,764,077.20

Finding the Fourth Proportional to 5,181,555,630.80, 7,772,333,446.20 and 2,561,764,077.20

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Solution

The fourth proportional to 5,181,555,630.80, 7,772,333,446.20 and 2,561,764,077.20 is: 3,842,646,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,555,630.80 : 7,772,333,446.20 = 2,561,764,077.20 : x
  2. Step 2: Convert to fraction form
    5,181,555,630.80/7,772,333,446.20 = 2,561,764,077.20/x
  3. Step 3: Cross multiply
    5,181,555,630.80x = 7,772,333,446.20 × 2,561,764,077.20
  4. Step 4: Simplify right side
    5,181,555,630.80x = 19,910,884,618,495,238,144
  5. Step 5: Solve for x
    x = 19,910,884,618,495,238,144/5,181,555,630.80
  6. Step 6: Final answer
    x = 3,842,646,115.80

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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.