Home / 499,974,150.16-689,969,845.80-276,959,247.76

Finding the Fourth Proportional to 499,974,150.16, 689,969,845.80 and 276,959,247.76

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Solution

The fourth proportional to 499,974,150.16, 689,969,845.80 and 276,959,247.76 is: 382,206,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,974,150.16 : 689,969,845.80 = 276,959,247.76 : x
  2. Step 2: Convert to fraction form
    499,974,150.16/689,969,845.80 = 276,959,247.76/x
  3. Step 3: Cross multiply
    499,974,150.16x = 689,969,845.80 × 276,959,247.76
  4. Step 4: Simplify right side
    499,974,150.16x = 191,093,529,469,851,168
  5. Step 5: Solve for x
    x = 191,093,529,469,851,168/499,974,150.16
  6. Step 6: Final answer
    x = 382,206,818.91

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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.