Home / 489,904,317.60-734,856,476.40-198,910,845.60

Finding the Fourth Proportional to 489,904,317.60, 734,856,476.40 and 198,910,845.60

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Solution

The fourth proportional to 489,904,317.60, 734,856,476.40 and 198,910,845.60 is: 298,366,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,317.60 : 734,856,476.40 = 198,910,845.60 : x
  2. Step 2: Convert to fraction form
    489,904,317.60/734,856,476.40 = 198,910,845.60/x
  3. Step 3: Cross multiply
    489,904,317.60x = 734,856,476.40 × 198,910,845.60
  4. Step 4: Simplify right side
    489,904,317.60x = 146,170,923,115,360,448
  5. Step 5: Solve for x
    x = 146,170,923,115,360,448/489,904,317.60
  6. Step 6: Final answer
    x = 298,366,268.40

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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.