Home / 499,494,559.70-689,287,528.14-276,485,382.38

Finding the Fourth Proportional to 499,494,559.70, 689,287,528.14 and 276,485,382.38

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Solution

The fourth proportional to 499,494,559.70, 689,287,528.14 and 276,485,382.38 is: 381,541,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,494,559.70 : 689,287,528.14 = 276,485,382.38 : x
  2. Step 2: Convert to fraction form
    499,494,559.70/689,287,528.14 = 276,485,382.38/x
  3. Step 3: Cross multiply
    499,494,559.70x = 689,287,528.14 × 276,485,382.38
  4. Step 4: Simplify right side
    499,494,559.70x = 190,577,925,787,552,896
  5. Step 5: Solve for x
    x = 190,577,925,787,552,896/499,494,559.70
  6. Step 6: Final answer
    x = 381,541,544.52

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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.