Home / 394,487,999.10-591,731,998.65-164,622,051.90

Finding the Fourth Proportional to 394,487,999.10, 591,731,998.65 and 164,622,051.90

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Solution

The fourth proportional to 394,487,999.10, 591,731,998.65 and 164,622,051.90 is: 246,933,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,487,999.10 : 591,731,998.65 = 164,622,051.90 : x
  2. Step 2: Convert to fraction form
    394,487,999.10/591,731,998.65 = 164,622,051.90/x
  3. Step 3: Cross multiply
    394,487,999.10x = 591,731,998.65 × 164,622,051.90
  4. Step 4: Simplify right side
    394,487,999.10x = 97,412,135,792,651,024
  5. Step 5: Solve for x
    x = 97,412,135,792,651,024/394,487,999.10
  6. Step 6: Final answer
    x = 246,933,077.85

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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.