Home / 372,263,999.10-558,395,998.65-340,015,371.90

Finding the Fourth Proportional to 372,263,999.10, 558,395,998.65 and 340,015,371.90

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Solution

The fourth proportional to 372,263,999.10, 558,395,998.65 and 340,015,371.90 is: 510,023,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,263,999.10 : 558,395,998.65 = 340,015,371.90 : x
  2. Step 2: Convert to fraction form
    372,263,999.10/558,395,998.65 = 340,015,371.90/x
  3. Step 3: Cross multiply
    372,263,999.10x = 558,395,998.65 × 340,015,371.90
  4. Step 4: Simplify right side
    372,263,999.10x = 189,863,223,148,451,616
  5. Step 5: Solve for x
    x = 189,863,223,148,451,616/372,263,999.10
  6. Step 6: Final answer
    x = 510,023,057.85

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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.