Home / 725,804,903,359.80-1,001,607,274,408.20-400,641,350,883.81

Finding the Fourth Proportional to 725,804,903,359.80, 1,001,607,274,408.20 and 400,641,350,883.81

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Solution

The fourth proportional to 725,804,903,359.80, 1,001,607,274,408.20 and 400,641,350,883.81 is: 552,883,136,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,804,903,359.80 : 1,001,607,274,408.20 = 400,641,350,883.81 : x
  2. Step 2: Convert to fraction form
    725,804,903,359.80/1,001,607,274,408.20 = 400,641,350,883.81/x
  3. Step 3: Cross multiply
    725,804,903,359.80x = 1,001,607,274,408.20 × 400,641,350,883.81
  4. Step 4: Simplify right side
    725,804,903,359.80x = 401,285,291,473,952,181,321,728
  5. Step 5: Solve for x
    x = 401,285,291,473,952,181,321,728/725,804,903,359.80
  6. Step 6: Final answer
    x = 552,883,136,523.85

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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.