Home / 694,914,538.72-1,042,370,926.80-177,344,990.68

Finding the Fourth Proportional to 694,914,538.72, 1,042,370,926.80 and 177,344,990.68

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Solution

The fourth proportional to 694,914,538.72, 1,042,370,926.80 and 177,344,990.68 is: 266,017,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,914,538.72 : 1,042,370,926.80 = 177,344,990.68 : x
  2. Step 2: Convert to fraction form
    694,914,538.72/1,042,370,926.80 = 177,344,990.68/x
  3. Step 3: Cross multiply
    694,914,538.72x = 1,042,370,926.80 × 177,344,990.68
  4. Step 4: Simplify right side
    694,914,538.72x = 184,859,262,298,448,960
  5. Step 5: Solve for x
    x = 184,859,262,298,448,960/694,914,538.72
  6. Step 6: Final answer
    x = 266,017,261.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.