Home / 319,788,170.34-441,310,717.53-187,631,415.36

Finding the Fourth Proportional to 319,788,170.34, 441,310,717.53 and 187,631,415.36

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Solution

The fourth proportional to 319,788,170.34, 441,310,717.53 and 187,631,415.36 is: 258,933,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,170.34 : 441,310,717.53 = 187,631,415.36 : x
  2. Step 2: Convert to fraction form
    319,788,170.34/441,310,717.53 = 187,631,415.36/x
  3. Step 3: Cross multiply
    319,788,170.34x = 441,310,717.53 × 187,631,415.36
  4. Step 4: Simplify right side
    319,788,170.34x = 82,803,754,543,691,072
  5. Step 5: Solve for x
    x = 82,803,754,543,691,072/319,788,170.34
  6. Step 6: Final answer
    x = 258,933,138.32

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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.