Home / 503,197,981.52-694,404,923.94-294,389,498.21

Finding the Fourth Proportional to 503,197,981.52, 694,404,923.94 and 294,389,498.21

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Solution

The fourth proportional to 503,197,981.52, 694,404,923.94 and 294,389,498.21 is: 406,252,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,197,981.52 : 694,404,923.94 = 294,389,498.21 : x
  2. Step 2: Convert to fraction form
    503,197,981.52/694,404,923.94 = 294,389,498.21/x
  3. Step 3: Cross multiply
    503,197,981.52x = 694,404,923.94 × 294,389,498.21
  4. Step 4: Simplify right side
    503,197,981.52x = 204,425,517,113,249,824
  5. Step 5: Solve for x
    x = 204,425,517,113,249,824/503,197,981.52
  6. Step 6: Final answer
    x = 406,252,657.25

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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.