Home / 629,208,045.30-943,812,067.95-400,192,403.70

Finding the Fourth Proportional to 629,208,045.30, 943,812,067.95 and 400,192,403.70

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Solution

The fourth proportional to 629,208,045.30, 943,812,067.95 and 400,192,403.70 is: 600,288,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,208,045.30 : 943,812,067.95 = 400,192,403.70 : x
  2. Step 2: Convert to fraction form
    629,208,045.30/943,812,067.95 = 400,192,403.70/x
  3. Step 3: Cross multiply
    629,208,045.30x = 943,812,067.95 × 400,192,403.70
  4. Step 4: Simplify right side
    629,208,045.30x = 377,706,420,113,978,240
  5. Step 5: Solve for x
    x = 377,706,420,113,978,240/629,208,045.30
  6. Step 6: Final answer
    x = 600,288,605.55

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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.