Home / 2,787,561,881.28-3,847,647,733.20-1,822,086,032.40

Finding the Fourth Proportional to 2,787,561,881.28, 3,847,647,733.20 and 1,822,086,032.40

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Solution

The fourth proportional to 2,787,561,881.28, 3,847,647,733.20 and 1,822,086,032.40 is: 2,515,009,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,561,881.28 : 3,847,647,733.20 = 1,822,086,032.40 : x
  2. Step 2: Convert to fraction form
    2,787,561,881.28/3,847,647,733.20 = 1,822,086,032.40/x
  3. Step 3: Cross multiply
    2,787,561,881.28x = 3,847,647,733.20 × 1,822,086,032.40
  4. Step 4: Simplify right side
    2,787,561,881.28x = 7,010,745,192,259,241,984
  5. Step 5: Solve for x
    x = 7,010,745,192,259,241,984/2,787,561,881.28
  6. Step 6: Final answer
    x = 2,515,009,707.71

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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.