Home / 19,987,646,107.44-27,585,912,059.85-12,655,680,336.53

Finding the Fourth Proportional to 19,987,646,107.44, 27,585,912,059.85 and 12,655,680,336.53

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Solution

The fourth proportional to 19,987,646,107.44, 27,585,912,059.85 and 12,655,680,336.53 is: 17,466,713,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,646,107.44 : 27,585,912,059.85 = 12,655,680,336.53 : x
  2. Step 2: Convert to fraction form
    19,987,646,107.44/27,585,912,059.85 = 12,655,680,336.53/x
  3. Step 3: Cross multiply
    19,987,646,107.44x = 27,585,912,059.85 × 12,655,680,336.53
  4. Step 4: Simplify right side
    19,987,646,107.44x = 349,118,484,821,250,408,448
  5. Step 5: Solve for x
    x = 349,118,484,821,250,408,448/19,987,646,107.44
  6. Step 6: Final answer
    x = 17,466,713,336.06

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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.