Home / 499,195,008.84-688,884,004.46-276,178,286.54

Finding the Fourth Proportional to 499,195,008.84, 688,884,004.46 and 276,178,286.54

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Solution

The fourth proportional to 499,195,008.84, 688,884,004.46 and 276,178,286.54 is: 381,123,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,195,008.84 : 688,884,004.46 = 276,178,286.54 : x
  2. Step 2: Convert to fraction form
    499,195,008.84/688,884,004.46 = 276,178,286.54/x
  3. Step 3: Cross multiply
    499,195,008.84x = 688,884,004.46 × 276,178,286.54
  4. Step 4: Simplify right side
    499,195,008.84x = 190,254,803,976,576,544
  5. Step 5: Solve for x
    x = 190,254,803,976,576,544/499,195,008.84
  6. Step 6: Final answer
    x = 381,123,209.58

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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.