Home / 291,034,719.70-436,552,079.55-251,920,662.10

Finding the Fourth Proportional to 291,034,719.70, 436,552,079.55 and 251,920,662.10

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Solution

The fourth proportional to 291,034,719.70, 436,552,079.55 and 251,920,662.10 is: 377,880,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,034,719.70 : 436,552,079.55 = 251,920,662.10 : x
  2. Step 2: Convert to fraction form
    291,034,719.70/436,552,079.55 = 251,920,662.10/x
  3. Step 3: Cross multiply
    291,034,719.70x = 436,552,079.55 × 251,920,662.10
  4. Step 4: Simplify right side
    291,034,719.70x = 109,976,488,921,367,872
  5. Step 5: Solve for x
    x = 109,976,488,921,367,872/291,034,719.70
  6. Step 6: Final answer
    x = 377,880,993.15

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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.