Home / 1,660,615,372.53-2,291,697,043.78-918,107,264.97

Finding the Fourth Proportional to 1,660,615,372.53, 2,291,697,043.78 and 918,107,264.97

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Solution

The fourth proportional to 1,660,615,372.53, 2,291,697,043.78 and 918,107,264.97 is: 1,267,014,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,615,372.53 : 2,291,697,043.78 = 918,107,264.97 : x
  2. Step 2: Convert to fraction form
    1,660,615,372.53/2,291,697,043.78 = 918,107,264.97/x
  3. Step 3: Cross multiply
    1,660,615,372.53x = 2,291,697,043.78 × 918,107,264.97
  4. Step 4: Simplify right side
    1,660,615,372.53x = 2,104,023,704,993,231,872
  5. Step 5: Solve for x
    x = 2,104,023,704,993,231,872/1,660,615,372.53
  6. Step 6: Final answer
    x = 1,267,014,469.34

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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.