Home / 330,515,838.78-456,111,836.68-181,833,770.20

Finding the Fourth Proportional to 330,515,838.78, 456,111,836.68 and 181,833,770.20

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Solution

The fourth proportional to 330,515,838.78, 456,111,836.68 and 181,833,770.20 is: 250,930,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,515,838.78 : 456,111,836.68 = 181,833,770.20 : x
  2. Step 2: Convert to fraction form
    330,515,838.78/456,111,836.68 = 181,833,770.20/x
  3. Step 3: Cross multiply
    330,515,838.78x = 456,111,836.68 × 181,833,770.20
  4. Step 4: Simplify right side
    330,515,838.78x = 82,936,534,895,330,592
  5. Step 5: Solve for x
    x = 82,936,534,895,330,592/330,515,838.78
  6. Step 6: Final answer
    x = 250,930,591.41

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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.