Home / 3,964,807,251.45-5,471,590,120.29-2,180,826,700.20

Finding the Fourth Proportional to 3,964,807,251.45, 5,471,590,120.29 and 2,180,826,700.20

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Solution

The fourth proportional to 3,964,807,251.45, 5,471,590,120.29 and 2,180,826,700.20 is: 3,009,626,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,807,251.45 : 5,471,590,120.29 = 2,180,826,700.20 : x
  2. Step 2: Convert to fraction form
    3,964,807,251.45/5,471,590,120.29 = 2,180,826,700.20/x
  3. Step 3: Cross multiply
    3,964,807,251.45x = 5,471,590,120.29 × 2,180,826,700.20
  4. Step 4: Simplify right side
    3,964,807,251.45x = 11,932,589,826,878,961,664
  5. Step 5: Solve for x
    x = 11,932,589,826,878,961,664/3,964,807,251.45
  6. Step 6: Final answer
    x = 3,009,626,715.78

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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.