Home / 1,989,776,022.50-2,983,091,399.15-993,285,628.41

Finding the Fourth Proportional to 1,989,776,022.50, 2,983,091,399.15 and 993,285,628.41

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Solution

The fourth proportional to 1,989,776,022.50, 2,983,091,399.15 and 993,285,628.41 is: 1,489,143,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,776,022.50 : 2,983,091,399.15 = 993,285,628.41 : x
  2. Step 2: Convert to fraction form
    1,989,776,022.50/2,983,091,399.15 = 993,285,628.41/x
  3. Step 3: Cross multiply
    1,989,776,022.50x = 2,983,091,399.15 × 993,285,628.41
  4. Step 4: Simplify right side
    1,989,776,022.50x = 2,963,061,815,000,892,416
  5. Step 5: Solve for x
    x = 2,963,061,815,000,892,416/1,989,776,022.50
  6. Step 6: Final answer
    x = 1,489,143,391.77

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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.