Home / 399,772,040.89-551,824,109.36-274,738,136.85

Finding the Fourth Proportional to 399,772,040.89, 551,824,109.36 and 274,738,136.85

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Solution

The fourth proportional to 399,772,040.89, 551,824,109.36 and 274,738,136.85 is: 379,233,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,772,040.89 : 551,824,109.36 = 274,738,136.85 : x
  2. Step 2: Convert to fraction form
    399,772,040.89/551,824,109.36 = 274,738,136.85/x
  3. Step 3: Cross multiply
    399,772,040.89x = 551,824,109.36 × 274,738,136.85
  4. Step 4: Simplify right side
    399,772,040.89x = 151,607,127,670,344,256
  5. Step 5: Solve for x
    x = 151,607,127,670,344,256/399,772,040.89
  6. Step 6: Final answer
    x = 379,233,943.76

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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.