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Finding the Fourth Proportional to 1,328,019,536.56, 1,832,005,023.72 and 791,793,021.08

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Solution

The fourth proportional to 1,328,019,536.56, 1,832,005,023.72 and 791,793,021.08 is: 1,092,279,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,019,536.56 : 1,832,005,023.72 = 791,793,021.08 : x
  2. Step 2: Convert to fraction form
    1,328,019,536.56/1,832,005,023.72 = 791,793,021.08/x
  3. Step 3: Cross multiply
    1,328,019,536.56x = 1,832,005,023.72 × 791,793,021.08
  4. Step 4: Simplify right side
    1,328,019,536.56x = 1,450,568,792,364,995,840
  5. Step 5: Solve for x
    x = 1,450,568,792,364,995,840/1,328,019,536.56
  6. Step 6: Final answer
    x = 1,092,279,708.57

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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.