Home / 21,158,060,270.72-31,741,682,059.04-6,435,699,051.20

Finding the Fourth Proportional to 21,158,060,270.72, 31,741,682,059.04 and 6,435,699,051.20

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Solution

The fourth proportional to 21,158,060,270.72, 31,741,682,059.04 and 6,435,699,051.20 is: 9,654,945,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,158,060,270.72 : 31,741,682,059.04 = 6,435,699,051.20 : x
  2. Step 2: Convert to fraction form
    21,158,060,270.72/31,741,682,059.04 = 6,435,699,051.20/x
  3. Step 3: Cross multiply
    21,158,060,270.72x = 31,741,682,059.04 × 6,435,699,051.20
  4. Step 4: Simplify right side
    21,158,060,270.72x = 204,279,913,110,664,904,704
  5. Step 5: Solve for x
    x = 204,279,913,110,664,904,704/21,158,060,270.72
  6. Step 6: Final answer
    x = 9,654,945,231.13

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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.