Home / 676,976,486.27-934,361,530.70-439,116,448.59

Finding the Fourth Proportional to 676,976,486.27, 934,361,530.70 and 439,116,448.59

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Solution

The fourth proportional to 676,976,486.27, 934,361,530.70 and 439,116,448.59 is: 606,067,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,976,486.27 : 934,361,530.70 = 439,116,448.59 : x
  2. Step 2: Convert to fraction form
    676,976,486.27/934,361,530.70 = 439,116,448.59/x
  3. Step 3: Cross multiply
    676,976,486.27x = 934,361,530.70 × 439,116,448.59
  4. Step 4: Simplify right side
    676,976,486.27x = 410,293,517,057,904,704
  5. Step 5: Solve for x
    x = 410,293,517,057,904,704/676,976,486.27
  6. Step 6: Final answer
    x = 606,067,604.09

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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.