Home / 19,949,940,727.50-27,530,900,417.30-11,261,224,706.78

Finding the Fourth Proportional to 19,949,940,727.50, 27,530,900,417.30 and 11,261,224,706.78

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Solution

The fourth proportional to 19,949,940,727.50, 27,530,900,417.30 and 11,261,224,706.78 is: 15,540,480,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949,940,727.50 : 27,530,900,417.30 = 11,261,224,706.78 : x
  2. Step 2: Convert to fraction form
    19,949,940,727.50/27,530,900,417.30 = 11,261,224,706.78/x
  3. Step 3: Cross multiply
    19,949,940,727.50x = 27,530,900,417.30 × 11,261,224,706.78
  4. Step 4: Simplify right side
    19,949,940,727.50x = 310,031,655,979,197,267,968
  5. Step 5: Solve for x
    x = 310,031,655,979,197,267,968/19,949,940,727.50
  6. Step 6: Final answer
    x = 15,540,480,055.25

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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.