Home / 907,634,949.89-1,252,503,163.23-505,727,932.80

Finding the Fourth Proportional to 907,634,949.89, 1,252,503,163.23 and 505,727,932.80

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Solution

The fourth proportional to 907,634,949.89, 1,252,503,163.23 and 505,727,932.80 is: 697,886,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,634,949.89 : 1,252,503,163.23 = 505,727,932.80 : x
  2. Step 2: Convert to fraction form
    907,634,949.89/1,252,503,163.23 = 505,727,932.80/x
  3. Step 3: Cross multiply
    907,634,949.89x = 1,252,503,163.23 × 505,727,932.80
  4. Step 4: Simplify right side
    907,634,949.89x = 633,425,835,565,768,832
  5. Step 5: Solve for x
    x = 633,425,835,565,768,832/907,634,949.89
  6. Step 6: Final answer
    x = 697,886,122.22

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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.