Home / 605,684,209.20-908,526,313.56-145,622,394.96

Finding the Fourth Proportional to 605,684,209.20, 908,526,313.56 and 145,622,394.96

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Solution

The fourth proportional to 605,684,209.20, 908,526,313.56 and 145,622,394.96 is: 218,433,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,684,209.20 : 908,526,313.56 = 145,622,394.96 : x
  2. Step 2: Convert to fraction form
    605,684,209.20/908,526,313.56 = 145,622,394.96/x
  3. Step 3: Cross multiply
    605,684,209.20x = 908,526,313.56 × 145,622,394.96
  4. Step 4: Simplify right side
    605,684,209.20x = 132,301,777,664,787,120
  5. Step 5: Solve for x
    x = 132,301,777,664,787,120/605,684,209.20
  6. Step 6: Final answer
    x = 218,433,592.38

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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.