Home / 9,686,475,732.66-13,367,335,999.41-5,231,139,679.86

Finding the Fourth Proportional to 9,686,475,732.66, 13,367,335,999.41 and 5,231,139,679.86

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Solution

The fourth proportional to 9,686,475,732.66, 13,367,335,999.41 and 5,231,139,679.86 is: 7,218,972,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,475,732.66 : 13,367,335,999.41 = 5,231,139,679.86 : x
  2. Step 2: Convert to fraction form
    9,686,475,732.66/13,367,335,999.41 = 5,231,139,679.86/x
  3. Step 3: Cross multiply
    9,686,475,732.66x = 13,367,335,999.41 × 5,231,139,679.86
  4. Step 4: Simplify right side
    9,686,475,732.66x = 69,926,401,760,534,675,456
  5. Step 5: Solve for x
    x = 69,926,401,760,534,675,456/9,686,475,732.66
  6. Step 6: Final answer
    x = 7,218,972,481.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.