Home / 3,542,944,218.30-5,314,416,327.45-1,213,106,874.30

Finding the Fourth Proportional to 3,542,944,218.30, 5,314,416,327.45 and 1,213,106,874.30

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Solution

The fourth proportional to 3,542,944,218.30, 5,314,416,327.45 and 1,213,106,874.30 is: 1,819,660,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,944,218.30 : 5,314,416,327.45 = 1,213,106,874.30 : x
  2. Step 2: Convert to fraction form
    3,542,944,218.30/5,314,416,327.45 = 1,213,106,874.30/x
  3. Step 3: Cross multiply
    3,542,944,218.30x = 5,314,416,327.45 × 1,213,106,874.30
  4. Step 4: Simplify right side
    3,542,944,218.30x = 6,446,954,979,721,754,624
  5. Step 5: Solve for x
    x = 6,446,954,979,721,754,624/3,542,944,218.30
  6. Step 6: Final answer
    x = 1,819,660,311.45

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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.