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Finding the Fourth Proportional to 1,328,019,534.56, 1,832,005,020.96 and 791,793,019.08

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Solution

The fourth proportional to 1,328,019,534.56, 1,832,005,020.96 and 791,793,019.08 is: 1,092,279,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,019,534.56 : 1,832,005,020.96 = 791,793,019.08 : x
  2. Step 2: Convert to fraction form
    1,328,019,534.56/1,832,005,020.96 = 791,793,019.08/x
  3. Step 3: Cross multiply
    1,328,019,534.56x = 1,832,005,020.96 × 791,793,019.08
  4. Step 4: Simplify right side
    1,328,019,534.56x = 1,450,568,786,515,637,248
  5. Step 5: Solve for x
    x = 1,450,568,786,515,637,248/1,328,019,534.56
  6. Step 6: Final answer
    x = 1,092,279,705.81

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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.