Home / 258,056,559.60-387,084,839.40-231,779,900.40

Finding the Fourth Proportional to 258,056,559.60, 387,084,839.40 and 231,779,900.40

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Solution

The fourth proportional to 258,056,559.60, 387,084,839.40 and 231,779,900.40 is: 347,669,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,056,559.60 : 387,084,839.40 = 231,779,900.40 : x
  2. Step 2: Convert to fraction form
    258,056,559.60/387,084,839.40 = 231,779,900.40/x
  3. Step 3: Cross multiply
    258,056,559.60x = 387,084,839.40 × 231,779,900.40
  4. Step 4: Simplify right side
    258,056,559.60x = 89,718,485,522,482,000
  5. Step 5: Solve for x
    x = 89,718,485,522,482,000/258,056,559.60
  6. Step 6: Final answer
    x = 347,669,850.60

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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.