Home / 259,662,294.40-389,493,441.60-162,916,412.80

Finding the Fourth Proportional to 259,662,294.40, 389,493,441.60 and 162,916,412.80

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Solution

The fourth proportional to 259,662,294.40, 389,493,441.60 and 162,916,412.80 is: 244,374,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,662,294.40 : 389,493,441.60 = 162,916,412.80 : x
  2. Step 2: Convert to fraction form
    259,662,294.40/389,493,441.60 = 162,916,412.80/x
  3. Step 3: Cross multiply
    259,662,294.40x = 389,493,441.60 × 162,916,412.80
  4. Step 4: Simplify right side
    259,662,294.40x = 63,454,874,314,598,304
  5. Step 5: Solve for x
    x = 63,454,874,314,598,304/259,662,294.40
  6. Step 6: Final answer
    x = 244,374,619.20

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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.