Home / 1,721,757,384.92-2,582,619,057.66-788,815,601.48

Finding the Fourth Proportional to 1,721,757,384.92, 2,582,619,057.66 and 788,815,601.48

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Solution

The fourth proportional to 1,721,757,384.92, 2,582,619,057.66 and 788,815,601.48 is: 1,183,215,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,757,384.92 : 2,582,619,057.66 = 788,815,601.48 : x
  2. Step 2: Convert to fraction form
    1,721,757,384.92/2,582,619,057.66 = 788,815,601.48/x
  3. Step 3: Cross multiply
    1,721,757,384.92x = 2,582,619,057.66 × 788,815,601.48
  4. Step 4: Simplify right side
    1,721,757,384.92x = 2,037,210,205,361,783,552
  5. Step 5: Solve for x
    x = 2,037,210,205,361,783,552/1,721,757,384.92
  6. Step 6: Final answer
    x = 1,183,215,604.71

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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.