Home / 2,151,391,127.79-3,228,025,349.05-753,378,797.91

Finding the Fourth Proportional to 2,151,391,127.79, 3,228,025,349.05 and 753,378,797.91

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Solution

The fourth proportional to 2,151,391,127.79, 3,228,025,349.05 and 753,378,797.91 is: 1,130,396,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,391,127.79 : 3,228,025,349.05 = 753,378,797.91 : x
  2. Step 2: Convert to fraction form
    2,151,391,127.79/3,228,025,349.05 = 753,378,797.91/x
  3. Step 3: Cross multiply
    2,151,391,127.79x = 3,228,025,349.05 × 753,378,797.91
  4. Step 4: Simplify right side
    2,151,391,127.79x = 2,431,925,857,104,813,056
  5. Step 5: Solve for x
    x = 2,431,925,857,104,813,056/2,151,391,127.79
  6. Step 6: Final answer
    x = 1,130,396,897.94

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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.