Home / 27,774,975,874.32-38,330,520,344.46-15,567,906,611.73

Finding the Fourth Proportional to 27,774,975,874.32, 38,330,520,344.46 and 15,567,906,611.73

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Solution

The fourth proportional to 27,774,975,874.32, 38,330,520,344.46 and 15,567,906,611.73 is: 21,484,301,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774,975,874.32 : 38,330,520,344.46 = 15,567,906,611.73 : x
  2. Step 2: Convert to fraction form
    27,774,975,874.32/38,330,520,344.46 = 15,567,906,611.73/x
  3. Step 3: Cross multiply
    27,774,975,874.32x = 38,330,520,344.46 × 15,567,906,611.73
  4. Step 4: Simplify right side
    27,774,975,874.32x = 596,725,961,101,570,080,768
  5. Step 5: Solve for x
    x = 596,725,961,101,570,080,768/27,774,975,874.32
  6. Step 6: Final answer
    x = 21,484,301,689.47

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Double scale
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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.