Home / 489,647,712.60-734,471,568.90-182,899,967.40

Finding the Fourth Proportional to 489,647,712.60, 734,471,568.90 and 182,899,967.40

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Solution

The fourth proportional to 489,647,712.60, 734,471,568.90 and 182,899,967.40 is: 274,349,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,647,712.60 : 734,471,568.90 = 182,899,967.40 : x
  2. Step 2: Convert to fraction form
    489,647,712.60/734,471,568.90 = 182,899,967.40/x
  3. Step 3: Cross multiply
    489,647,712.60x = 734,471,568.90 × 182,899,967.40
  4. Step 4: Simplify right side
    489,647,712.60x = 134,334,826,008,036,848
  5. Step 5: Solve for x
    x = 134,334,826,008,036,848/489,647,712.60
  6. Step 6: Final answer
    x = 274,349,951.10

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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.