Home / 434,629,455.30-651,720,234.15-161,859,816.90

Finding the Fourth Proportional to 434,629,455.30, 651,720,234.15 and 161,859,816.90

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Solution

The fourth proportional to 434,629,455.30, 651,720,234.15 and 161,859,816.90 is: 242,706,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,629,455.30 : 651,720,234.15 = 161,859,816.90 : x
  2. Step 2: Convert to fraction form
    434,629,455.30/651,720,234.15 = 161,859,816.90/x
  3. Step 3: Cross multiply
    434,629,455.30x = 651,720,234.15 × 161,859,816.90
  4. Step 4: Simplify right side
    434,629,455.30x = 105,487,317,769,544,128
  5. Step 5: Solve for x
    x = 105,487,317,769,544,128/434,629,455.30
  6. Step 6: Final answer
    x = 242,706,324.85

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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.