Home / 269,072,394,131.51-371,144,942,560.52-172,575,635,833.82

Finding the Fourth Proportional to 269,072,394,131.51, 371,144,942,560.52 and 172,575,635,833.82

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Solution

The fourth proportional to 269,072,394,131.51, 371,144,942,560.52 and 172,575,635,833.82 is: 238,042,162,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,072,394,131.51 : 371,144,942,560.52 = 172,575,635,833.82 : x
  2. Step 2: Convert to fraction form
    269,072,394,131.51/371,144,942,560.52 = 172,575,635,833.82/x
  3. Step 3: Cross multiply
    269,072,394,131.51x = 371,144,942,560.52 × 172,575,635,833.82
  4. Step 4: Simplify right side
    269,072,394,131.51x = 64,050,574,448,888,345,788,416
  5. Step 5: Solve for x
    x = 64,050,574,448,888,345,788,416/269,072,394,131.51
  6. Step 6: Final answer
    x = 238,042,162,056.89

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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.