Home / 499,154,066.57-688,852,915.56-276,131,914.26

Finding the Fourth Proportional to 499,154,066.57, 688,852,915.56 and 276,131,914.26

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Solution

The fourth proportional to 499,154,066.57, 688,852,915.56 and 276,131,914.26 is: 381,073,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,154,066.57 : 688,852,915.56 = 276,131,914.26 : x
  2. Step 2: Convert to fraction form
    499,154,066.57/688,852,915.56 = 276,131,914.26/x
  3. Step 3: Cross multiply
    499,154,066.57x = 688,852,915.56 × 276,131,914.26
  4. Step 4: Simplify right side
    499,154,066.57x = 190,214,274,217,679,936
  5. Step 5: Solve for x
    x = 190,214,274,217,679,936/499,154,066.57
  6. Step 6: Final answer
    x = 381,073,273.68

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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.