Home / 21,324,532,108.50-29,428,779,351.47-11,809,083,859.34

Finding the Fourth Proportional to 21,324,532,108.50, 29,428,779,351.47 and 11,809,083,859.34

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Solution

The fourth proportional to 21,324,532,108.50, 29,428,779,351.47 and 11,809,083,859.34 is: 16,297,047,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,532,108.50 : 29,428,779,351.47 = 11,809,083,859.34 : x
  2. Step 2: Convert to fraction form
    21,324,532,108.50/29,428,779,351.47 = 11,809,083,859.34/x
  3. Step 3: Cross multiply
    21,324,532,108.50x = 29,428,779,351.47 × 11,809,083,859.34
  4. Step 4: Simplify right side
    21,324,532,108.50x = 347,526,923,239,316,455,424
  5. Step 5: Solve for x
    x = 347,526,923,239,316,455,424/21,324,532,108.50
  6. Step 6: Final answer
    x = 16,297,047,994.82

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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.