Home / 885,196,998.68-1,221,573,578.37-488,720,755.04

Finding the Fourth Proportional to 885,196,998.68, 1,221,573,578.37 and 488,720,755.04

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Solution

The fourth proportional to 885,196,998.68, 1,221,573,578.37 and 488,720,755.04 is: 674,435,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,196,998.68 : 1,221,573,578.37 = 488,720,755.04 : x
  2. Step 2: Convert to fraction form
    885,196,998.68/1,221,573,578.37 = 488,720,755.04/x
  3. Step 3: Cross multiply
    885,196,998.68x = 1,221,573,578.37 × 488,720,755.04
  4. Step 4: Simplify right side
    885,196,998.68x = 597,008,361,557,900,928
  5. Step 5: Solve for x
    x = 597,008,361,557,900,928/885,196,998.68
  6. Step 6: Final answer
    x = 674,435,591.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.