Home / 348,456,331.20-522,936,439.20-194,939,428.80

Finding the Fourth Proportional to 348,456,331.20, 522,936,439.20 and 194,939,428.80

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Solution

The fourth proportional to 348,456,331.20, 522,936,439.20 and 194,939,428.80 is: 292,550,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,456,331.20 : 522,936,439.20 = 194,939,428.80 : x
  2. Step 2: Convert to fraction form
    348,456,331.20/522,936,439.20 = 194,939,428.80/x
  3. Step 3: Cross multiply
    348,456,331.20x = 522,936,439.20 × 194,939,428.80
  4. Step 4: Simplify right side
    348,456,331.20x = 101,940,930,756,353,936
  5. Step 5: Solve for x
    x = 101,940,930,756,353,936/348,456,331.20
  6. Step 6: Final answer
    x = 292,550,089.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.