Home / 319,729,465.12-441,230,273.76-187,572,714.88

Finding the Fourth Proportional to 319,729,465.12, 441,230,273.76 and 187,572,714.88

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Solution

The fourth proportional to 319,729,465.12, 441,230,273.76 and 187,572,714.88 is: 258,852,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,729,465.12 : 441,230,273.76 = 187,572,714.88 : x
  2. Step 2: Convert to fraction form
    319,729,465.12/441,230,273.76 = 187,572,714.88/x
  3. Step 3: Cross multiply
    319,729,465.12x = 441,230,273.76 × 187,572,714.88
  4. Step 4: Simplify right side
    319,729,465.12x = 82,762,760,336,408,816
  5. Step 5: Solve for x
    x = 82,762,760,336,408,816/319,729,465.12
  6. Step 6: Final answer
    x = 258,852,465.49

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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.