Home / 8,478,664,299.15-12,719,377,943.61-2,503,394,482.38

Finding the Fourth Proportional to 8,478,664,299.15, 12,719,377,943.61 and 2,503,394,482.38

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Solution

The fourth proportional to 8,478,664,299.15, 12,719,377,943.61 and 2,503,394,482.38 is: 3,755,499,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,664,299.15 : 12,719,377,943.61 = 2,503,394,482.38 : x
  2. Step 2: Convert to fraction form
    8,478,664,299.15/12,719,377,943.61 = 2,503,394,482.38/x
  3. Step 3: Cross multiply
    8,478,664,299.15x = 12,719,377,943.61 × 2,503,394,482.38
  4. Step 4: Simplify right side
    8,478,664,299.15x = 31,841,620,563,339,149,312
  5. Step 5: Solve for x
    x = 31,841,620,563,339,149,312/8,478,664,299.15
  6. Step 6: Final answer
    x = 3,755,499,621.15

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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.