Home / 356,669,200.20-535,003,800.30-259,419,433.80

Finding the Fourth Proportional to 356,669,200.20, 535,003,800.30 and 259,419,433.80

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Solution

The fourth proportional to 356,669,200.20, 535,003,800.30 and 259,419,433.80 is: 389,129,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,669,200.20 : 535,003,800.30 = 259,419,433.80 : x
  2. Step 2: Convert to fraction form
    356,669,200.20/535,003,800.30 = 259,419,433.80/x
  3. Step 3: Cross multiply
    356,669,200.20x = 535,003,800.30 × 259,419,433.80
  4. Step 4: Simplify right side
    356,669,200.20x = 138,790,382,954,674,272
  5. Step 5: Solve for x
    x = 138,790,382,954,674,272/356,669,200.20
  6. Step 6: Final answer
    x = 389,129,150.70

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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.