Home / 2,135,796,981.17-2,947,399,408.42-1,183,239,617.72

Finding the Fourth Proportional to 2,135,796,981.17, 2,947,399,408.42 and 1,183,239,617.72

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Solution

The fourth proportional to 2,135,796,981.17, 2,947,399,408.42 and 1,183,239,617.72 is: 1,632,870,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,796,981.17 : 2,947,399,408.42 = 1,183,239,617.72 : x
  2. Step 2: Convert to fraction form
    2,135,796,981.17/2,947,399,408.42 = 1,183,239,617.72/x
  3. Step 3: Cross multiply
    2,135,796,981.17x = 2,947,399,408.42 × 1,183,239,617.72
  4. Step 4: Simplify right side
    2,135,796,981.17x = 3,487,479,749,269,457,920
  5. Step 5: Solve for x
    x = 3,487,479,749,269,457,920/2,135,796,981.17
  6. Step 6: Final answer
    x = 1,632,870,436.67

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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.