Home / 643,603,598.43-965,414,255.19-183,541,816.95

Finding the Fourth Proportional to 643,603,598.43, 965,414,255.19 and 183,541,816.95

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Solution

The fourth proportional to 643,603,598.43, 965,414,255.19 and 183,541,816.95 is: 275,315,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,603,598.43 : 965,414,255.19 = 183,541,816.95 : x
  2. Step 2: Convert to fraction form
    643,603,598.43/965,414,255.19 = 183,541,816.95/x
  3. Step 3: Cross multiply
    643,603,598.43x = 965,414,255.19 × 183,541,816.95
  4. Step 4: Simplify right side
    643,603,598.43x = 177,193,886,507,003,552
  5. Step 5: Solve for x
    x = 177,193,886,507,003,552/643,603,598.43
  6. Step 6: Final answer
    x = 275,315,251.41

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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.