Home / 484,118,889.58-667,992,696.49-288,566,797.42

Finding the Fourth Proportional to 484,118,889.58, 667,992,696.49 and 288,566,797.42

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Solution

The fourth proportional to 484,118,889.58, 667,992,696.49 and 288,566,797.42 is: 398,167,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,118,889.58 : 667,992,696.49 = 288,566,797.42 : x
  2. Step 2: Convert to fraction form
    484,118,889.58/667,992,696.49 = 288,566,797.42/x
  3. Step 3: Cross multiply
    484,118,889.58x = 667,992,696.49 × 288,566,797.42
  4. Step 4: Simplify right side
    484,118,889.58x = 192,760,513,126,069,376
  5. Step 5: Solve for x
    x = 192,760,513,126,069,376/484,118,889.58
  6. Step 6: Final answer
    x = 398,167,717.22

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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.