Home / 484,118,887.08-667,992,693.06-288,566,794.92

Finding the Fourth Proportional to 484,118,887.08, 667,992,693.06 and 288,566,794.92

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Solution

The fourth proportional to 484,118,887.08, 667,992,693.06 and 288,566,794.92 is: 398,167,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,118,887.08 : 667,992,693.06 = 288,566,794.92 : x
  2. Step 2: Convert to fraction form
    484,118,887.08/667,992,693.06 = 288,566,794.92/x
  3. Step 3: Cross multiply
    484,118,887.08x = 667,992,693.06 × 288,566,794.92
  4. Step 4: Simplify right side
    484,118,887.08x = 192,760,510,466,303,520
  5. Step 5: Solve for x
    x = 192,760,510,466,303,520/484,118,887.08
  6. Step 6: Final answer
    x = 398,167,713.78

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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.