Home / 543,200,321.40-814,800,482.10-198,165,204.60

Finding the Fourth Proportional to 543,200,321.40, 814,800,482.10 and 198,165,204.60

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Solution

The fourth proportional to 543,200,321.40, 814,800,482.10 and 198,165,204.60 is: 297,247,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,200,321.40 : 814,800,482.10 = 198,165,204.60 : x
  2. Step 2: Convert to fraction form
    543,200,321.40/814,800,482.10 = 198,165,204.60/x
  3. Step 3: Cross multiply
    543,200,321.40x = 814,800,482.10 × 198,165,204.60
  4. Step 4: Simplify right side
    543,200,321.40x = 161,465,104,243,525,152
  5. Step 5: Solve for x
    x = 161,465,104,243,525,152/543,200,321.40
  6. Step 6: Final answer
    x = 297,247,806.90

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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.