Home / 1,308,529,344,057.10-1,962,794,016,085.60-861,853,608,709.90

Finding the Fourth Proportional to 1,308,529,344,057.10, 1,962,794,016,085.60 and 861,853,608,709.90

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Solution

The fourth proportional to 1,308,529,344,057.10, 1,962,794,016,085.60 and 861,853,608,709.90 is: 1,292,780,413,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,529,344,057.10 : 1,962,794,016,085.60 = 861,853,608,709.90 : x
  2. Step 2: Convert to fraction form
    1,308,529,344,057.10/1,962,794,016,085.60 = 861,853,608,709.90/x
  3. Step 3: Cross multiply
    1,308,529,344,057.10x = 1,962,794,016,085.60 × 861,853,608,709.90
  4. Step 4: Simplify right side
    1,308,529,344,057.10x = 1,691,641,105,917,571,953,065,984
  5. Step 5: Solve for x
    x = 1,691,641,105,917,571,953,065,984/1,308,529,344,057.10
  6. Step 6: Final answer
    x = 1,292,780,413,064.82

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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.