Home / 499,974,148.16-689,969,843.04-276,959,245.76

Finding the Fourth Proportional to 499,974,148.16, 689,969,843.04 and 276,959,245.76

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Solution

The fourth proportional to 499,974,148.16, 689,969,843.04 and 276,959,245.76 is: 382,206,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,974,148.16 : 689,969,843.04 = 276,959,245.76 : x
  2. Step 2: Convert to fraction form
    499,974,148.16/689,969,843.04 = 276,959,245.76/x
  3. Step 3: Cross multiply
    499,974,148.16x = 689,969,843.04 × 276,959,245.76
  4. Step 4: Simplify right side
    499,974,148.16x = 191,093,527,325,503,968
  5. Step 5: Solve for x
    x = 191,093,527,325,503,968/499,974,148.16
  6. Step 6: Final answer
    x = 382,206,816.15

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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.