Home / 1,989,776,029.27-2,983,091,409.27-993,285,635.15

Finding the Fourth Proportional to 1,989,776,029.27, 2,983,091,409.27 and 993,285,635.15

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Solution

The fourth proportional to 1,989,776,029.27, 2,983,091,409.27 and 993,285,635.15 is: 1,489,143,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,776,029.27 : 2,983,091,409.27 = 993,285,635.15 : x
  2. Step 2: Convert to fraction form
    1,989,776,029.27/2,983,091,409.27 = 993,285,635.15/x
  3. Step 3: Cross multiply
    1,989,776,029.27x = 2,983,091,409.27 × 993,285,635.15
  4. Step 4: Simplify right side
    1,989,776,029.27x = 2,963,061,845,174,718,464
  5. Step 5: Solve for x
    x = 2,963,061,845,174,718,464/1,989,776,029.27
  6. Step 6: Final answer
    x = 1,489,143,401.87

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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.