Home / 220,313,359,574.42-330,620,993,431.16-76,892,387,782.10

Finding the Fourth Proportional to 220,313,359,574.42, 330,620,993,431.16 and 76,892,387,782.10

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Solution

The fourth proportional to 220,313,359,574.42, 330,620,993,431.16 and 76,892,387,782.10 is: 115,391,266,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,313,359,574.42 : 330,620,993,431.16 = 76,892,387,782.10 : x
  2. Step 2: Convert to fraction form
    220,313,359,574.42/330,620,993,431.16 = 76,892,387,782.10/x
  3. Step 3: Cross multiply
    220,313,359,574.42x = 330,620,993,431.16 × 76,892,387,782.10
  4. Step 4: Simplify right side
    220,313,359,574.42x = 25,422,237,635,811,892,789,248
  5. Step 5: Solve for x
    x = 25,422,237,635,811,892,789,248/220,313,359,574.42
  6. Step 6: Final answer
    x = 115,391,266,716.28

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1.5x scale

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.