Home / 319,788,463.74-441,311,122.31-187,631,708.46

Finding the Fourth Proportional to 319,788,463.74, 441,311,122.31 and 187,631,708.46

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Solution

The fourth proportional to 319,788,463.74, 441,311,122.31 and 187,631,708.46 is: 258,933,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,463.74 : 441,311,122.31 = 187,631,708.46 : x
  2. Step 2: Convert to fraction form
    319,788,463.74/441,311,122.31 = 187,631,708.46/x
  3. Step 3: Cross multiply
    319,788,463.74x = 441,311,122.31 × 187,631,708.46
  4. Step 4: Simplify right side
    319,788,463.74x = 82,803,959,840,487,168
  5. Step 5: Solve for x
    x = 82,803,959,840,487,168/319,788,463.74
  6. Step 6: Final answer
    x = 258,933,542.73

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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.