Home / 442,759,314.60-664,422,407.10-258,526,434.60

Finding the Fourth Proportional to 442,759,314.60, 664,422,407.10 and 258,526,434.60

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Solution

The fourth proportional to 442,759,314.60, 664,422,407.10 and 258,526,434.60 is: 387,955,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,759,314.60 : 664,422,407.10 = 258,526,434.60 : x
  2. Step 2: Convert to fraction form
    442,759,314.60/664,422,407.10 = 258,526,434.60/x
  3. Step 3: Cross multiply
    442,759,314.60x = 664,422,407.10 × 258,526,434.60
  4. Step 4: Simplify right side
    442,759,314.60x = 171,770,755,975,912,736
  5. Step 5: Solve for x
    x = 171,770,755,975,912,736/442,759,314.60
  6. Step 6: Final answer
    x = 387,955,149.25

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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.