Home / 422,906,965.05-634,391,021.70-177,016,300.23

Finding the Fourth Proportional to 422,906,965.05, 634,391,021.70 and 177,016,300.23

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Solution

The fourth proportional to 422,906,965.05, 634,391,021.70 and 177,016,300.23 is: 265,537,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,906,965.05 : 634,391,021.70 = 177,016,300.23 : x
  2. Step 2: Convert to fraction form
    422,906,965.05/634,391,021.70 = 177,016,300.23/x
  3. Step 3: Cross multiply
    422,906,965.05x = 634,391,021.70 × 177,016,300.23
  4. Step 4: Simplify right side
    422,906,965.05x = 112,297,551,559,578,560
  5. Step 5: Solve for x
    x = 112,297,551,559,578,560/422,906,965.05
  6. Step 6: Final answer
    x = 265,537,247.76

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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.