Home / 543,033,008.40-814,549,512.60-198,234,087.60

Finding the Fourth Proportional to 543,033,008.40, 814,549,512.60 and 198,234,087.60

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Solution

The fourth proportional to 543,033,008.40, 814,549,512.60 and 198,234,087.60 is: 297,351,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,033,008.40 : 814,549,512.60 = 198,234,087.60 : x
  2. Step 2: Convert to fraction form
    543,033,008.40/814,549,512.60 = 198,234,087.60/x
  3. Step 3: Cross multiply
    543,033,008.40x = 814,549,512.60 × 198,234,087.60
  4. Step 4: Simplify right side
    543,033,008.40x = 161,471,479,435,285,696
  5. Step 5: Solve for x
    x = 161,471,479,435,285,696/543,033,008.40
  6. Step 6: Final answer
    x = 297,351,131.40

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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.