Home / 769,195,284.51-1,061,489,891.97-416,771,553.45

Finding the Fourth Proportional to 769,195,284.51, 1,061,489,891.97 and 416,771,553.45

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Solution

The fourth proportional to 769,195,284.51, 1,061,489,891.97 and 416,771,553.45 is: 575,144,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,195,284.51 : 1,061,489,891.97 = 416,771,553.45 : x
  2. Step 2: Convert to fraction form
    769,195,284.51/1,061,489,891.97 = 416,771,553.45/x
  3. Step 3: Cross multiply
    769,195,284.51x = 1,061,489,891.97 × 416,771,553.45
  4. Step 4: Simplify right side
    769,195,284.51x = 442,398,791,247,809,600
  5. Step 5: Solve for x
    x = 442,398,791,247,809,600/769,195,284.51
  6. Step 6: Final answer
    x = 575,144,960.14

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Why These Related Problems?

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