Home / 13,170,073,414.20-19,758,990,844.25-5,305,438,678.20

Finding the Fourth Proportional to 13,170,073,414.20, 19,758,990,844.25 and 5,305,438,678.20

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Solution

The fourth proportional to 13,170,073,414.20, 19,758,990,844.25 and 5,305,438,678.20 is: 7,959,721,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,073,414.20 : 19,758,990,844.25 = 5,305,438,678.20 : x
  2. Step 2: Convert to fraction form
    13,170,073,414.20/19,758,990,844.25 = 5,305,438,678.20/x
  3. Step 3: Cross multiply
    13,170,073,414.20x = 19,758,990,844.25 × 5,305,438,678.20
  4. Step 4: Simplify right side
    13,170,073,414.20x = 104,830,114,267,283,619,840
  5. Step 5: Solve for x
    x = 104,830,114,267,283,619,840/13,170,073,414.20
  6. Step 6: Final answer
    x = 7,959,721,329.59

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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.