Home / 447,323,589.54-670,673,618.85-198,193,432.02

Finding the Fourth Proportional to 447,323,589.54, 670,673,618.85 and 198,193,432.02

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Solution

The fourth proportional to 447,323,589.54, 670,673,618.85 and 198,193,432.02 is: 297,152,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,323,589.54 : 670,673,618.85 = 198,193,432.02 : x
  2. Step 2: Convert to fraction form
    447,323,589.54/670,673,618.85 = 198,193,432.02/x
  3. Step 3: Cross multiply
    447,323,589.54x = 670,673,618.85 × 198,193,432.02
  4. Step 4: Simplify right side
    447,323,589.54x = 132,923,106,285,154,880
  5. Step 5: Solve for x
    x = 132,923,106,285,154,880/447,323,589.54
  6. Step 6: Final answer
    x = 297,152,015.66

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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.