Home / 2,797,631,998.80-4,196,447,998.20-858,683,288.40

Finding the Fourth Proportional to 2,797,631,998.80, 4,196,447,998.20 and 858,683,288.40

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Solution

The fourth proportional to 2,797,631,998.80, 4,196,447,998.20 and 858,683,288.40 is: 1,288,024,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797,631,998.80 : 4,196,447,998.20 = 858,683,288.40 : x
  2. Step 2: Convert to fraction form
    2,797,631,998.80/4,196,447,998.20 = 858,683,288.40/x
  3. Step 3: Cross multiply
    2,797,631,998.80x = 4,196,447,998.20 × 858,683,288.40
  4. Step 4: Simplify right side
    2,797,631,998.80x = 3,603,419,766,693,972,992
  5. Step 5: Solve for x
    x = 3,603,419,766,693,972,992/2,797,631,998.80
  6. Step 6: Final answer
    x = 1,288,024,932.60

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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.