Home / 13,987,114,483.68-19,303,318,303.92-7,965,874,481.76

Finding the Fourth Proportional to 13,987,114,483.68, 19,303,318,303.92 and 7,965,874,481.76

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Solution

The fourth proportional to 13,987,114,483.68, 19,303,318,303.92 and 7,965,874,481.76 is: 10,993,533,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987,114,483.68 : 19,303,318,303.92 = 7,965,874,481.76 : x
  2. Step 2: Convert to fraction form
    13,987,114,483.68/19,303,318,303.92 = 7,965,874,481.76/x
  3. Step 3: Cross multiply
    13,987,114,483.68x = 19,303,318,303.92 × 7,965,874,481.76
  4. Step 4: Simplify right side
    13,987,114,483.68x = 153,767,810,690,487,025,664
  5. Step 5: Solve for x
    x = 153,767,810,690,487,025,664/13,987,114,483.68
  6. Step 6: Final answer
    x = 10,993,533,431.78

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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.