Home / 355,775,193.47-490,942,960.49-216,530,565.59

Finding the Fourth Proportional to 355,775,193.47, 490,942,960.49 and 216,530,565.59

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Solution

The fourth proportional to 355,775,193.47, 490,942,960.49 and 216,530,565.59 is: 298,795,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,775,193.47 : 490,942,960.49 = 216,530,565.59 : x
  2. Step 2: Convert to fraction form
    355,775,193.47/490,942,960.49 = 216,530,565.59/x
  3. Step 3: Cross multiply
    355,775,193.47x = 490,942,960.49 × 216,530,565.59
  4. Step 4: Simplify right side
    355,775,193.47x = 106,304,156,906,246,080
  5. Step 5: Solve for x
    x = 106,304,156,906,246,080/355,775,193.47
  6. Step 6: Final answer
    x = 298,795,865.64

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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.