Home / 1,368,969,687.48-2,053,308,960.66-386,371,932.60

Finding the Fourth Proportional to 1,368,969,687.48, 2,053,308,960.66 and 386,371,932.60

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Solution

The fourth proportional to 1,368,969,687.48, 2,053,308,960.66 and 386,371,932.60 is: 579,516,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,969,687.48 : 2,053,308,960.66 = 386,371,932.60 : x
  2. Step 2: Convert to fraction form
    1,368,969,687.48/2,053,308,960.66 = 386,371,932.60/x
  3. Step 3: Cross multiply
    1,368,969,687.48x = 2,053,308,960.66 × 386,371,932.60
  4. Step 4: Simplify right side
    1,368,969,687.48x = 793,340,951,355,101,696
  5. Step 5: Solve for x
    x = 793,340,951,355,101,696/1,368,969,687.48
  6. Step 6: Final answer
    x = 579,516,813.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.