Home / 5,318,784,820.65-7,978,177,230.98-5,318,784,820.65

Finding the Fourth Proportional to 5,318,784,820.65, 7,978,177,230.98 and 5,318,784,820.65

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Solution

The fourth proportional to 5,318,784,820.65, 7,978,177,230.98 and 5,318,784,820.65 is: 7,978,177,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,820.65 : 7,978,177,230.98 = 5,318,784,820.65 : x
  2. Step 2: Convert to fraction form
    5,318,784,820.65/7,978,177,230.98 = 5,318,784,820.65/x
  3. Step 3: Cross multiply
    5,318,784,820.65x = 7,978,177,230.98 × 5,318,784,820.65
  4. Step 4: Simplify right side
    5,318,784,820.65x = 42,434,207,952,565,280,768
  5. Step 5: Solve for x
    x = 42,434,207,952,565,280,768/5,318,784,820.65
  6. Step 6: Final answer
    x = 7,978,177,230.98

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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.