Home / 1,682,461,631.16-2,521,436,600.76-1,309,419,972.69

Finding the Fourth Proportional to 1,682,461,631.16, 2,521,436,600.76 and 1,309,419,972.69

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Solution

The fourth proportional to 1,682,461,631.16, 2,521,436,600.76 and 1,309,419,972.69 is: 1,962,374,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,461,631.16 : 2,521,436,600.76 = 1,309,419,972.69 : x
  2. Step 2: Convert to fraction form
    1,682,461,631.16/2,521,436,600.76 = 1,309,419,972.69/x
  3. Step 3: Cross multiply
    1,682,461,631.16x = 2,521,436,600.76 × 1,309,419,972.69
  4. Step 4: Simplify right side
    1,682,461,631.16x = 3,301,619,444,906,725,888
  5. Step 5: Solve for x
    x = 3,301,619,444,906,725,888/1,682,461,631.16
  6. Step 6: Final answer
    x = 1,962,374,287.63

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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.