Home / 22,660,321,425.12-31,271,340,786.38-12,360,640,823.05

Finding the Fourth Proportional to 22,660,321,425.12, 31,271,340,786.38 and 12,360,640,823.05

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Solution

The fourth proportional to 22,660,321,425.12, 31,271,340,786.38 and 12,360,640,823.05 is: 17,057,737,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660,321,425.12 : 31,271,340,786.38 = 12,360,640,823.05 : x
  2. Step 2: Convert to fraction form
    22,660,321,425.12/31,271,340,786.38 = 12,360,640,823.05/x
  3. Step 3: Cross multiply
    22,660,321,425.12x = 31,271,340,786.38 × 12,360,640,823.05
  4. Step 4: Simplify right side
    22,660,321,425.12x = 386,533,811,515,637,104,640
  5. Step 5: Solve for x
    x = 386,533,811,515,637,104,640/22,660,321,425.12
  6. Step 6: Final answer
    x = 17,057,737,366.74

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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.