Home / 11,971,218,552.78-17,956,845,111.51-4,888,701,428.96

Finding the Fourth Proportional to 11,971,218,552.78, 17,956,845,111.51 and 4,888,701,428.96

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Solution

The fourth proportional to 11,971,218,552.78, 17,956,845,111.51 and 4,888,701,428.96 is: 7,333,059,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,218,552.78 : 17,956,845,111.51 = 4,888,701,428.96 : x
  2. Step 2: Convert to fraction form
    11,971,218,552.78/17,956,845,111.51 = 4,888,701,428.96/x
  3. Step 3: Cross multiply
    11,971,218,552.78x = 17,956,845,111.51 × 4,888,701,428.96
  4. Step 4: Simplify right side
    11,971,218,552.78x = 87,785,654,356,266,991,616
  5. Step 5: Solve for x
    x = 87,785,654,356,266,991,616/11,971,218,552.78
  6. Step 6: Final answer
    x = 7,333,059,201.05

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1.5x scale

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.