Home / 625,473,860.52-863,137,493.64-343,215,434.18

Finding the Fourth Proportional to 625,473,860.52, 863,137,493.64 and 343,215,434.18

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Solution

The fourth proportional to 625,473,860.52, 863,137,493.64 and 343,215,434.18 is: 473,628,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,473,860.52 : 863,137,493.64 = 343,215,434.18 : x
  2. Step 2: Convert to fraction form
    625,473,860.52/863,137,493.64 = 343,215,434.18/x
  3. Step 3: Cross multiply
    625,473,860.52x = 863,137,493.64 × 343,215,434.18
  4. Step 4: Simplify right side
    625,473,860.52x = 296,242,109,636,689,600
  5. Step 5: Solve for x
    x = 296,242,109,636,689,600/625,473,860.52
  6. Step 6: Final answer
    x = 473,628,281.43

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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.