Home / 8,674,203,911.87-11,965,995,927.80-5,665,217,935.82

Finding the Fourth Proportional to 8,674,203,911.87, 11,965,995,927.80 and 5,665,217,935.82

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Solution

The fourth proportional to 8,674,203,911.87, 11,965,995,927.80 and 5,665,217,935.82 is: 7,815,123,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674,203,911.87 : 11,965,995,927.80 = 5,665,217,935.82 : x
  2. Step 2: Convert to fraction form
    8,674,203,911.87/11,965,995,927.80 = 5,665,217,935.82/x
  3. Step 3: Cross multiply
    8,674,203,911.87x = 11,965,995,927.80 × 5,665,217,935.82
  4. Step 4: Simplify right side
    8,674,203,911.87x = 67,789,974,750,121,631,744
  5. Step 5: Solve for x
    x = 67,789,974,750,121,631,744/8,674,203,911.87
  6. Step 6: Final answer
    x = 7,815,123,490.16

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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.