Home / 769,218,925.73-1,061,523,055.58-416,794,638.51

Finding the Fourth Proportional to 769,218,925.73, 1,061,523,055.58 and 416,794,638.51

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Solution

The fourth proportional to 769,218,925.73, 1,061,523,055.58 and 416,794,638.51 is: 575,177,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,218,925.73 : 1,061,523,055.58 = 416,794,638.51 : x
  2. Step 2: Convert to fraction form
    769,218,925.73/1,061,523,055.58 = 416,794,638.51/x
  3. Step 3: Cross multiply
    769,218,925.73x = 1,061,523,055.58 × 416,794,638.51
  4. Step 4: Simplify right side
    769,218,925.73x = 442,437,118,218,412,800
  5. Step 5: Solve for x
    x = 442,437,118,218,412,800/769,218,925.73
  6. Step 6: Final answer
    x = 575,177,109.43

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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.