Home / 2,372,536,356.20-3,558,804,534.30-1,987,985,648.60

Finding the Fourth Proportional to 2,372,536,356.20, 3,558,804,534.30 and 1,987,985,648.60

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Solution

The fourth proportional to 2,372,536,356.20, 3,558,804,534.30 and 1,987,985,648.60 is: 2,981,978,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372,536,356.20 : 3,558,804,534.30 = 1,987,985,648.60 : x
  2. Step 2: Convert to fraction form
    2,372,536,356.20/3,558,804,534.30 = 1,987,985,648.60/x
  3. Step 3: Cross multiply
    2,372,536,356.20x = 3,558,804,534.30 × 1,987,985,648.60
  4. Step 4: Simplify right side
    2,372,536,356.20x = 7,074,852,340,361,006,080
  5. Step 5: Solve for x
    x = 7,074,852,340,361,006,080/2,372,536,356.20
  6. Step 6: Final answer
    x = 2,981,978,472.90

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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.