Home / 499,188,102.48-688,877,229.96-279,172,403.28

Finding the Fourth Proportional to 499,188,102.48, 688,877,229.96 and 279,172,403.28

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Solution

The fourth proportional to 499,188,102.48, 688,877,229.96 and 279,172,403.28 is: 385,256,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,188,102.48 : 688,877,229.96 = 279,172,403.28 : x
  2. Step 2: Convert to fraction form
    499,188,102.48/688,877,229.96 = 279,172,403.28/x
  3. Step 3: Cross multiply
    499,188,102.48x = 688,877,229.96 × 279,172,403.28
  4. Step 4: Simplify right side
    499,188,102.48x = 192,315,511,852,802,400
  5. Step 5: Solve for x
    x = 192,315,511,852,802,400/499,188,102.48
  6. Step 6: Final answer
    x = 385,256,601.46

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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.