Home / 1,327,103,999.10-1,990,655,998.65-1,214,233,803.90

Finding the Fourth Proportional to 1,327,103,999.10, 1,990,655,998.65 and 1,214,233,803.90

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Solution

The fourth proportional to 1,327,103,999.10, 1,990,655,998.65 and 1,214,233,803.90 is: 1,821,350,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,103,999.10 : 1,990,655,998.65 = 1,214,233,803.90 : x
  2. Step 2: Convert to fraction form
    1,327,103,999.10/1,990,655,998.65 = 1,214,233,803.90/x
  3. Step 3: Cross multiply
    1,327,103,999.10x = 1,990,655,998.65 × 1,214,233,803.90
  4. Step 4: Simplify right side
    1,327,103,999.10x = 2,417,121,805,497,143,296
  5. Step 5: Solve for x
    x = 2,417,121,805,497,143,296/1,327,103,999.10
  6. Step 6: Final answer
    x = 1,821,350,705.85

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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.