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Finding the Fourth Proportional to 336,298,978.80, 504,448,468.20 and 336,298,978.80

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Solution

The fourth proportional to 336,298,978.80, 504,448,468.20 and 336,298,978.80 is: 504,448,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,298,978.80 : 504,448,468.20 = 336,298,978.80 : x
  2. Step 2: Convert to fraction form
    336,298,978.80/504,448,468.20 = 336,298,978.80/x
  3. Step 3: Cross multiply
    336,298,978.80x = 504,448,468.20 × 336,298,978.80
  4. Step 4: Simplify right side
    336,298,978.80x = 169,645,504,712,884,288
  5. Step 5: Solve for x
    x = 169,645,504,712,884,288/336,298,978.80
  6. Step 6: Final answer
    x = 504,448,468.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.