Home / 769,194,843.52-1,061,489,283.15-416,771,111.11

Finding the Fourth Proportional to 769,194,843.52, 1,061,489,283.15 and 416,771,111.11

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Solution

The fourth proportional to 769,194,843.52, 1,061,489,283.15 and 416,771,111.11 is: 575,144,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,194,843.52 : 1,061,489,283.15 = 416,771,111.11 : x
  2. Step 2: Convert to fraction form
    769,194,843.52/1,061,489,283.15 = 416,771,111.11/x
  3. Step 3: Cross multiply
    769,194,843.52x = 1,061,489,283.15 × 416,771,111.11
  4. Step 4: Simplify right side
    769,194,843.52x = 442,398,067,969,782,912
  5. Step 5: Solve for x
    x = 442,398,067,969,782,912/769,194,843.52
  6. Step 6: Final answer
    x = 575,144,349.57

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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.