Home / 543,004,539.40-814,506,809.10-197,969,422.60

Finding the Fourth Proportional to 543,004,539.40, 814,506,809.10 and 197,969,422.60

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Solution

The fourth proportional to 543,004,539.40, 814,506,809.10 and 197,969,422.60 is: 296,954,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,004,539.40 : 814,506,809.10 = 197,969,422.60 : x
  2. Step 2: Convert to fraction form
    543,004,539.40/814,506,809.10 = 197,969,422.60/x
  3. Step 3: Cross multiply
    543,004,539.40x = 814,506,809.10 × 197,969,422.60
  4. Step 4: Simplify right side
    543,004,539.40x = 161,247,442,701,295,424
  5. Step 5: Solve for x
    x = 161,247,442,701,295,424/543,004,539.40
  6. Step 6: Final answer
    x = 296,954,133.90

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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.