Home / 12,286,717,005.48-16,955,548,755.66-6,647,809,130.88

Finding the Fourth Proportional to 12,286,717,005.48, 16,955,548,755.66 and 6,647,809,130.88

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Solution

The fourth proportional to 12,286,717,005.48, 16,955,548,755.66 and 6,647,809,130.88 is: 9,173,911,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,717,005.48 : 16,955,548,755.66 = 6,647,809,130.88 : x
  2. Step 2: Convert to fraction form
    12,286,717,005.48/16,955,548,755.66 = 6,647,809,130.88/x
  3. Step 3: Cross multiply
    12,286,717,005.48x = 16,955,548,755.66 × 6,647,809,130.88
  4. Step 4: Simplify right side
    12,286,717,005.48x = 112,717,251,836,957,573,120
  5. Step 5: Solve for x
    x = 112,717,251,836,957,573,120/12,286,717,005.48
  6. Step 6: Final answer
    x = 9,173,911,288.64

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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.