Home / 325,568,389.80-488,352,584.70-281,730,412.20

Finding the Fourth Proportional to 325,568,389.80, 488,352,584.70 and 281,730,412.20

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Solution

The fourth proportional to 325,568,389.80, 488,352,584.70 and 281,730,412.20 is: 422,595,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,568,389.80 : 488,352,584.70 = 281,730,412.20 : x
  2. Step 2: Convert to fraction form
    325,568,389.80/488,352,584.70 = 281,730,412.20/x
  3. Step 3: Cross multiply
    325,568,389.80x = 488,352,584.70 × 281,730,412.20
  4. Step 4: Simplify right side
    325,568,389.80x = 137,583,774,986,466,400
  5. Step 5: Solve for x
    x = 137,583,774,986,466,400/325,568,389.80
  6. Step 6: Final answer
    x = 422,595,618.30

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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.