Home / 14,375,623,830.12-19,839,387,458.21-7,945,305,478.20

Finding the Fourth Proportional to 14,375,623,830.12, 19,839,387,458.21 and 7,945,305,478.20

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Solution

The fourth proportional to 14,375,623,830.12, 19,839,387,458.21 and 7,945,305,478.20 is: 10,965,088,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375,623,830.12 : 19,839,387,458.21 = 7,945,305,478.20 : x
  2. Step 2: Convert to fraction form
    14,375,623,830.12/19,839,387,458.21 = 7,945,305,478.20/x
  3. Step 3: Cross multiply
    14,375,623,830.12x = 19,839,387,458.21 × 7,945,305,478.20
  4. Step 4: Simplify right side
    14,375,623,830.12x = 157,629,993,855,808,569,344
  5. Step 5: Solve for x
    x = 157,629,993,855,808,569,344/14,375,623,830.12
  6. Step 6: Final answer
    x = 10,965,088,939.34

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1.5x scale

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.