Home / 1,229,253,977.57-1,695,298,416.33-871,313,767.43

Finding the Fourth Proportional to 1,229,253,977.57, 1,695,298,416.33 and 871,313,767.43

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Solution

The fourth proportional to 1,229,253,977.57, 1,695,298,416.33 and 871,313,767.43 is: 1,201,653,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,253,977.57 : 1,695,298,416.33 = 871,313,767.43 : x
  2. Step 2: Convert to fraction form
    1,229,253,977.57/1,695,298,416.33 = 871,313,767.43/x
  3. Step 3: Cross multiply
    1,229,253,977.57x = 1,695,298,416.33 × 871,313,767.43
  4. Step 4: Simplify right side
    1,229,253,977.57x = 1,477,136,850,050,604,800
  5. Step 5: Solve for x
    x = 1,477,136,850,050,604,800/1,229,253,977.57
  6. Step 6: Final answer
    x = 1,201,653,097.74

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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.