Home / 725,804,903,358.30-1,001,607,274,406.20-400,641,350,882.31

Finding the Fourth Proportional to 725,804,903,358.30, 1,001,607,274,406.20 and 400,641,350,882.31

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Solution

The fourth proportional to 725,804,903,358.30, 1,001,607,274,406.20 and 400,641,350,882.31 is: 552,883,136,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,804,903,358.30 : 1,001,607,274,406.20 = 400,641,350,882.31 : x
  2. Step 2: Convert to fraction form
    725,804,903,358.30/1,001,607,274,406.20 = 400,641,350,882.31/x
  3. Step 3: Cross multiply
    725,804,903,358.30x = 1,001,607,274,406.20 × 400,641,350,882.31
  4. Step 4: Simplify right side
    725,804,903,358.30x = 401,285,291,471,648,535,347,200
  5. Step 5: Solve for x
    x = 401,285,291,471,648,535,347,200/725,804,903,358.30
  6. Step 6: Final answer
    x = 552,883,136,521.81

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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.