Home / 1,561,753,401.32-2,155,223,786.39-847,288,917.56

Finding the Fourth Proportional to 1,561,753,401.32, 2,155,223,786.39 and 847,288,917.56

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Solution

The fourth proportional to 1,561,753,401.32, 2,155,223,786.39 and 847,288,917.56 is: 1,169,260,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,753,401.32 : 2,155,223,786.39 = 847,288,917.56 : x
  2. Step 2: Convert to fraction form
    1,561,753,401.32/2,155,223,786.39 = 847,288,917.56/x
  3. Step 3: Cross multiply
    1,561,753,401.32x = 2,155,223,786.39 × 847,288,917.56
  4. Step 4: Simplify right side
    1,561,753,401.32x = 1,826,097,229,054,935,296
  5. Step 5: Solve for x
    x = 1,826,097,229,054,935,296/1,561,753,401.32
  6. Step 6: Final answer
    x = 1,169,260,926.54

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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.