Home / 2,215,342,311.54-3,057,136,417.46-1,211,751,100.12

Finding the Fourth Proportional to 2,215,342,311.54, 3,057,136,417.46 and 1,211,751,100.12

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Solution

The fourth proportional to 2,215,342,311.54, 3,057,136,417.46 and 1,211,751,100.12 is: 1,672,196,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,342,311.54 : 3,057,136,417.46 = 1,211,751,100.12 : x
  2. Step 2: Convert to fraction form
    2,215,342,311.54/3,057,136,417.46 = 1,211,751,100.12/x
  3. Step 3: Cross multiply
    2,215,342,311.54x = 3,057,136,417.46 × 1,211,751,100.12
  4. Step 4: Simplify right side
    2,215,342,311.54x = 3,704,488,417,074,070,528
  5. Step 5: Solve for x
    x = 3,704,488,417,074,070,528/2,215,342,311.54
  6. Step 6: Final answer
    x = 1,672,196,841.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.