Home / 275,280,687,139.12-412,921,030,708.66-275,280,687,139.12

Finding the Fourth Proportional to 275,280,687,139.12, 412,921,030,708.66 and 275,280,687,139.12

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Solution

The fourth proportional to 275,280,687,139.12, 412,921,030,708.66 and 275,280,687,139.12 is: 412,921,030,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280,687,139.12 : 412,921,030,708.66 = 275,280,687,139.12 : x
  2. Step 2: Convert to fraction form
    275,280,687,139.12/412,921,030,708.66 = 275,280,687,139.12/x
  3. Step 3: Cross multiply
    275,280,687,139.12x = 412,921,030,708.66 × 275,280,687,139.12
  4. Step 4: Simplify right side
    275,280,687,139.12x = 113,669,185,067,673,578,373,120
  5. Step 5: Solve for x
    x = 113,669,185,067,673,578,373,120/275,280,687,139.12
  6. Step 6: Final answer
    x = 412,921,030,708.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.