Home / 5,318,784,014.10-7,978,176,021.15-3,223,631,015.70

Finding the Fourth Proportional to 5,318,784,014.10, 7,978,176,021.15 and 3,223,631,015.70

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Solution

The fourth proportional to 5,318,784,014.10, 7,978,176,021.15 and 3,223,631,015.70 is: 4,835,446,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,014.10 : 7,978,176,021.15 = 3,223,631,015.70 : x
  2. Step 2: Convert to fraction form
    5,318,784,014.10/7,978,176,021.15 = 3,223,631,015.70/x
  3. Step 3: Cross multiply
    5,318,784,014.10x = 7,978,176,021.15 × 3,223,631,015.70
  4. Step 4: Simplify right side
    5,318,784,014.10x = 25,718,695,670,493,155,328
  5. Step 5: Solve for x
    x = 25,718,695,670,493,155,328/5,318,784,014.10
  6. Step 6: Final answer
    x = 4,835,446,523.55

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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.