Home / 1,485,111,916,021.30-2,227,667,874,032-531,127,703,907.70

Finding the Fourth Proportional to 1,485,111,916,021.30, 2,227,667,874,032 and 531,127,703,907.70

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Solution

The fourth proportional to 1,485,111,916,021.30, 2,227,667,874,032 and 531,127,703,907.70 is: 796,691,555,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,111,916,021.30 : 2,227,667,874,032 = 531,127,703,907.70 : x
  2. Step 2: Convert to fraction form
    1,485,111,916,021.30/2,227,667,874,032 = 531,127,703,907.70/x
  3. Step 3: Cross multiply
    1,485,111,916,021.30x = 2,227,667,874,032 × 531,127,703,907.70
  4. Step 4: Simplify right side
    1,485,111,916,021.30x = 1,183,176,123,003,563,656,871,936
  5. Step 5: Solve for x
    x = 1,183,176,123,003,563,656,871,936/1,485,111,916,021.30
  6. Step 6: Final answer
    x = 796,691,555,861.57

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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.