Home / 3,808,755,161.55-5,255,606,168.76-2,114,979,519.15

Finding the Fourth Proportional to 3,808,755,161.55, 5,255,606,168.76 and 2,114,979,519.15

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Solution

The fourth proportional to 3,808,755,161.55, 5,255,606,168.76 and 2,114,979,519.15 is: 2,918,407,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808,755,161.55 : 5,255,606,168.76 = 2,114,979,519.15 : x
  2. Step 2: Convert to fraction form
    3,808,755,161.55/5,255,606,168.76 = 2,114,979,519.15/x
  3. Step 3: Cross multiply
    3,808,755,161.55x = 5,255,606,168.76 × 2,114,979,519.15
  4. Step 4: Simplify right side
    3,808,755,161.55x = 11,115,499,407,645,800,448
  5. Step 5: Solve for x
    x = 11,115,499,407,645,800,448/3,808,755,161.55
  6. Step 6: Final answer
    x = 2,918,407,441.85

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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.