Home / 550,368,272.40-825,552,408.60-508,278,145.20

Finding the Fourth Proportional to 550,368,272.40, 825,552,408.60 and 508,278,145.20

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Solution

The fourth proportional to 550,368,272.40, 825,552,408.60 and 508,278,145.20 is: 762,417,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,368,272.40 : 825,552,408.60 = 508,278,145.20 : x
  2. Step 2: Convert to fraction form
    550,368,272.40/825,552,408.60 = 508,278,145.20/x
  3. Step 3: Cross multiply
    550,368,272.40x = 825,552,408.60 × 508,278,145.20
  4. Step 4: Simplify right side
    550,368,272.40x = 419,610,247,008,600,512
  5. Step 5: Solve for x
    x = 419,610,247,008,600,512/550,368,272.40
  6. Step 6: Final answer
    x = 762,417,217.80

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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.