Home / 11,971,218,553.03-17,956,845,111.89-4,888,701,429.21

Finding the Fourth Proportional to 11,971,218,553.03, 17,956,845,111.89 and 4,888,701,429.21

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Solution

The fourth proportional to 11,971,218,553.03, 17,956,845,111.89 and 4,888,701,429.21 is: 7,333,059,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,218,553.03 : 17,956,845,111.89 = 4,888,701,429.21 : x
  2. Step 2: Convert to fraction form
    11,971,218,553.03/17,956,845,111.89 = 4,888,701,429.21/x
  3. Step 3: Cross multiply
    11,971,218,553.03x = 17,956,845,111.89 × 4,888,701,429.21
  4. Step 4: Simplify right side
    11,971,218,553.03x = 87,785,654,362,599,243,776
  5. Step 5: Solve for x
    x = 87,785,654,362,599,243,776/11,971,218,553.03
  6. Step 6: Final answer
    x = 7,333,059,201.43

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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.