Home / 8,543,757,269.88-12,819,318,790.92-4,612,682,878.56

Finding the Fourth Proportional to 8,543,757,269.88, 12,819,318,790.92 and 4,612,682,878.56

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Solution

The fourth proportional to 8,543,757,269.88, 12,819,318,790.92 and 4,612,682,878.56 is: 6,921,012,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,757,269.88 : 12,819,318,790.92 = 4,612,682,878.56 : x
  2. Step 2: Convert to fraction form
    8,543,757,269.88/12,819,318,790.92 = 4,612,682,878.56/x
  3. Step 3: Cross multiply
    8,543,757,269.88x = 12,819,318,790.92 × 4,612,682,878.56
  4. Step 4: Simplify right side
    8,543,757,269.88x = 59,131,452,301,679,173,632
  5. Step 5: Solve for x
    x = 59,131,452,301,679,173,632/8,543,757,269.88
  6. Step 6: Final answer
    x = 6,921,012,668.53

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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.