Home / 543,200,208.40-814,800,312.60-198,165,091.60

Finding the Fourth Proportional to 543,200,208.40, 814,800,312.60 and 198,165,091.60

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Solution

The fourth proportional to 543,200,208.40, 814,800,312.60 and 198,165,091.60 is: 297,247,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,200,208.40 : 814,800,312.60 = 198,165,091.60 : x
  2. Step 2: Convert to fraction form
    543,200,208.40/814,800,312.60 = 198,165,091.60/x
  3. Step 3: Cross multiply
    543,200,208.40x = 814,800,312.60 × 198,165,091.60
  4. Step 4: Simplify right side
    543,200,208.40x = 161,464,978,582,087,648
  5. Step 5: Solve for x
    x = 161,464,978,582,087,648/543,200,208.40
  6. Step 6: Final answer
    x = 297,247,637.40

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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.