Home / 769,194,842.52-1,061,489,281.77-416,771,110.11

Finding the Fourth Proportional to 769,194,842.52, 1,061,489,281.77 and 416,771,110.11

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Solution

The fourth proportional to 769,194,842.52, 1,061,489,281.77 and 416,771,110.11 is: 575,144,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,194,842.52 : 1,061,489,281.77 = 416,771,110.11 : x
  2. Step 2: Convert to fraction form
    769,194,842.52/1,061,489,281.77 = 416,771,110.11/x
  3. Step 3: Cross multiply
    769,194,842.52x = 1,061,489,281.77 × 416,771,110.11
  4. Step 4: Simplify right side
    769,194,842.52x = 442,398,066,333,149,504
  5. Step 5: Solve for x
    x = 442,398,066,333,149,504/769,194,842.52
  6. Step 6: Final answer
    x = 575,144,348.19

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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.