Home / 331,109,788,006.05-457,016,524,038.36-215,654,252,439.75

Finding the Fourth Proportional to 331,109,788,006.05, 457,016,524,038.36 and 215,654,252,439.75

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Solution

The fourth proportional to 331,109,788,006.05, 457,016,524,038.36 and 215,654,252,439.75 is: 297,658,240,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,109,788,006.05 : 457,016,524,038.36 = 215,654,252,439.75 : x
  2. Step 2: Convert to fraction form
    331,109,788,006.05/457,016,524,038.36 = 215,654,252,439.75/x
  3. Step 3: Cross multiply
    331,109,788,006.05x = 457,016,524,038.36 × 215,654,252,439.75
  4. Step 4: Simplify right side
    331,109,788,006.05x = 98,557,556,844,105,559,965,696
  5. Step 5: Solve for x
    x = 98,557,556,844,105,559,965,696/331,109,788,006.05
  6. Step 6: Final answer
    x = 297,658,240,300.36

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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.