Home / 1,613,497,179.32-2,226,595,870.72-986,919,579.80

Finding the Fourth Proportional to 1,613,497,179.32, 2,226,595,870.72 and 986,919,579.80

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Solution

The fourth proportional to 1,613,497,179.32, 2,226,595,870.72 and 986,919,579.80 is: 1,361,930,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,497,179.32 : 2,226,595,870.72 = 986,919,579.80 : x
  2. Step 2: Convert to fraction form
    1,613,497,179.32/2,226,595,870.72 = 986,919,579.80/x
  3. Step 3: Cross multiply
    1,613,497,179.32x = 2,226,595,870.72 × 986,919,579.80
  4. Step 4: Simplify right side
    1,613,497,179.32x = 2,197,471,061,113,897,472
  5. Step 5: Solve for x
    x = 2,197,471,061,113,897,472/1,613,497,179.32
  6. Step 6: Final answer
    x = 1,361,930,525.37

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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.