Home / 550,661,818.15-826,015,522.46-162,484,641.12

Finding the Fourth Proportional to 550,661,818.15, 826,015,522.46 and 162,484,641.12

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Solution

The fourth proportional to 550,661,818.15, 826,015,522.46 and 162,484,641.12 is: 243,733,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,661,818.15 : 826,015,522.46 = 162,484,641.12 : x
  2. Step 2: Convert to fraction form
    550,661,818.15/826,015,522.46 = 162,484,641.12/x
  3. Step 3: Cross multiply
    550,661,818.15x = 826,015,522.46 × 162,484,641.12
  4. Step 4: Simplify right side
    550,661,818.15x = 134,214,835,726,462,416
  5. Step 5: Solve for x
    x = 134,214,835,726,462,416/550,661,818.15
  6. Step 6: Final answer
    x = 243,733,687.91

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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.