Home / 355,022,999.70-532,534,499.55-268,929,557.70

Finding the Fourth Proportional to 355,022,999.70, 532,534,499.55 and 268,929,557.70

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Solution

The fourth proportional to 355,022,999.70, 532,534,499.55 and 268,929,557.70 is: 403,394,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,022,999.70 : 532,534,499.55 = 268,929,557.70 : x
  2. Step 2: Convert to fraction form
    355,022,999.70/532,534,499.55 = 268,929,557.70/x
  3. Step 3: Cross multiply
    355,022,999.70x = 532,534,499.55 × 268,929,557.70
  4. Step 4: Simplify right side
    355,022,999.70x = 143,214,267,423,972,352
  5. Step 5: Solve for x
    x = 143,214,267,423,972,352/355,022,999.70
  6. Step 6: Final answer
    x = 403,394,336.55

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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.