Home / 489,925,324.80-734,887,987.20-166,809,196.80

Finding the Fourth Proportional to 489,925,324.80, 734,887,987.20 and 166,809,196.80

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Solution

The fourth proportional to 489,925,324.80, 734,887,987.20 and 166,809,196.80 is: 250,213,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,925,324.80 : 734,887,987.20 = 166,809,196.80 : x
  2. Step 2: Convert to fraction form
    489,925,324.80/734,887,987.20 = 166,809,196.80/x
  3. Step 3: Cross multiply
    489,925,324.80x = 734,887,987.20 × 166,809,196.80
  4. Step 4: Simplify right side
    489,925,324.80x = 122,586,074,882,800,704
  5. Step 5: Solve for x
    x = 122,586,074,882,800,704/489,925,324.80
  6. Step 6: Final answer
    x = 250,213,795.20

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1.5x scale

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.