Home / 484,118,881.33-667,992,685.12-288,566,789.17

Finding the Fourth Proportional to 484,118,881.33, 667,992,685.12 and 288,566,789.17

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Solution

The fourth proportional to 484,118,881.33, 667,992,685.12 and 288,566,789.17 is: 398,167,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,118,881.33 : 667,992,685.12 = 288,566,789.17 : x
  2. Step 2: Convert to fraction form
    484,118,881.33/667,992,685.12 = 288,566,789.17/x
  3. Step 3: Cross multiply
    484,118,881.33x = 667,992,685.12 × 288,566,789.17
  4. Step 4: Simplify right side
    484,118,881.33x = 192,760,504,334,125,248
  5. Step 5: Solve for x
    x = 192,760,504,334,125,248/484,118,881.33
  6. Step 6: Final answer
    x = 398,167,705.84

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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.