Home / 294,521,718.30-406,441,198.89-162,359,811.42

Finding the Fourth Proportional to 294,521,718.30, 406,441,198.89 and 162,359,811.42

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Solution

The fourth proportional to 294,521,718.30, 406,441,198.89 and 162,359,811.42 is: 224,057,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,521,718.30 : 406,441,198.89 = 162,359,811.42 : x
  2. Step 2: Convert to fraction form
    294,521,718.30/406,441,198.89 = 162,359,811.42/x
  3. Step 3: Cross multiply
    294,521,718.30x = 406,441,198.89 × 162,359,811.42
  4. Step 4: Simplify right side
    294,521,718.30x = 65,989,716,405,099,104
  5. Step 5: Solve for x
    x = 65,989,716,405,099,104/294,521,718.30
  6. Step 6: Final answer
    x = 224,057,216.51

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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.