Home / 550,661,817.15-826,015,520.96-162,484,640.12

Finding the Fourth Proportional to 550,661,817.15, 826,015,520.96 and 162,484,640.12

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Solution

The fourth proportional to 550,661,817.15, 826,015,520.96 and 162,484,640.12 is: 243,733,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,661,817.15 : 826,015,520.96 = 162,484,640.12 : x
  2. Step 2: Convert to fraction form
    550,661,817.15/826,015,520.96 = 162,484,640.12/x
  3. Step 3: Cross multiply
    550,661,817.15x = 826,015,520.96 × 162,484,640.12
  4. Step 4: Simplify right side
    550,661,817.15x = 134,214,834,651,777,424
  5. Step 5: Solve for x
    x = 134,214,834,651,777,424/550,661,817.15
  6. Step 6: Final answer
    x = 243,733,686.40

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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.