Home / 664,150,846,960.69-916,529,052,662.40-359,657,028,072.25

Finding the Fourth Proportional to 664,150,846,960.69, 916,529,052,662.40 and 359,657,028,072.25

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Solution

The fourth proportional to 664,150,846,960.69, 916,529,052,662.40 and 359,657,028,072.25 is: 496,327,177,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,150,846,960.69 : 916,529,052,662.40 = 359,657,028,072.25 : x
  2. Step 2: Convert to fraction form
    664,150,846,960.69/916,529,052,662.40 = 359,657,028,072.25/x
  3. Step 3: Cross multiply
    664,150,846,960.69x = 916,529,052,662.40 × 359,657,028,072.25
  4. Step 4: Simplify right side
    664,150,846,960.69x = 329,636,115,222,433,517,010,944
  5. Step 5: Solve for x
    x = 329,636,115,222,433,517,010,944/664,150,846,960.69
  6. Step 6: Final answer
    x = 496,327,177,373.82

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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.