Home / 489,647,621.60-734,471,432.40-182,899,876.40

Finding the Fourth Proportional to 489,647,621.60, 734,471,432.40 and 182,899,876.40

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Solution

The fourth proportional to 489,647,621.60, 734,471,432.40 and 182,899,876.40 is: 274,349,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,647,621.60 : 734,471,432.40 = 182,899,876.40 : x
  2. Step 2: Convert to fraction form
    489,647,621.60/734,471,432.40 = 182,899,876.40/x
  3. Step 3: Cross multiply
    489,647,621.60x = 734,471,432.40 × 182,899,876.40
  4. Step 4: Simplify right side
    489,647,621.60x = 134,334,734,205,290,960
  5. Step 5: Solve for x
    x = 134,334,734,205,290,960/489,647,621.60
  6. Step 6: Final answer
    x = 274,349,814.60

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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.