Home / 449,388,356,890.32-674,010,780,147.02-130,960,071,771.99

Finding the Fourth Proportional to 449,388,356,890.32, 674,010,780,147.02 and 130,960,071,771.99

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Solution

The fourth proportional to 449,388,356,890.32, 674,010,780,147.02 and 130,960,071,771.99 is: 196,419,196,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,388,356,890.32 : 674,010,780,147.02 = 130,960,071,771.99 : x
  2. Step 2: Convert to fraction form
    449,388,356,890.32/674,010,780,147.02 = 130,960,071,771.99/x
  3. Step 3: Cross multiply
    449,388,356,890.32x = 674,010,780,147.02 × 130,960,071,771.99
  4. Step 4: Simplify right side
    449,388,356,890.32x = 88,268,500,143,148,720,193,536
  5. Step 5: Solve for x
    x = 88,268,500,143,148,720,193,536/449,388,356,890.32
  6. Step 6: Final answer
    x = 196,419,196,870.05

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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.