Home / 21,987,364,047.60-32,981,046,071.40-11,502,529,129.20

Finding the Fourth Proportional to 21,987,364,047.60, 32,981,046,071.40 and 11,502,529,129.20

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Solution

The fourth proportional to 21,987,364,047.60, 32,981,046,071.40 and 11,502,529,129.20 is: 17,253,793,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,364,047.60 : 32,981,046,071.40 = 11,502,529,129.20 : x
  2. Step 2: Convert to fraction form
    21,987,364,047.60/32,981,046,071.40 = 11,502,529,129.20/x
  3. Step 3: Cross multiply
    21,987,364,047.60x = 32,981,046,071.40 × 11,502,529,129.20
  4. Step 4: Simplify right side
    21,987,364,047.60x = 379,365,443,147,765,776,384
  5. Step 5: Solve for x
    x = 379,365,443,147,765,776,384/21,987,364,047.60
  6. Step 6: Final answer
    x = 17,253,793,693.80

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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.