Home / 641,591,099.91-885,243,951-363,132,623.61

Finding the Fourth Proportional to 641,591,099.91, 885,243,951 and 363,132,623.61

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Solution

The fourth proportional to 641,591,099.91, 885,243,951 and 363,132,623.61 is: 501,037,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,591,099.91 : 885,243,951 = 363,132,623.61 : x
  2. Step 2: Convert to fraction form
    641,591,099.91/885,243,951 = 363,132,623.61/x
  3. Step 3: Cross multiply
    641,591,099.91x = 885,243,951 × 363,132,623.61
  4. Step 4: Simplify right side
    641,591,099.91x = 321,460,958,461,512,320
  5. Step 5: Solve for x
    x = 321,460,958,461,512,320/641,591,099.91
  6. Step 6: Final answer
    x = 501,037,122.41

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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.