Home / 330,515,841.19-456,111,840-181,833,772.61

Finding the Fourth Proportional to 330,515,841.19, 456,111,840 and 181,833,772.61

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Solution

The fourth proportional to 330,515,841.19, 456,111,840 and 181,833,772.61 is: 250,930,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,515,841.19 : 456,111,840 = 181,833,772.61 : x
  2. Step 2: Convert to fraction form
    330,515,841.19/456,111,840 = 181,833,772.61/x
  3. Step 3: Cross multiply
    330,515,841.19x = 456,111,840 × 181,833,772.61
  4. Step 4: Simplify right side
    330,515,841.19x = 82,936,536,600,428,992
  5. Step 5: Solve for x
    x = 82,936,536,600,428,992/330,515,841.19
  6. Step 6: Final answer
    x = 250,930,594.74

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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.