Home / 18,251,558,949.72-27,330,188,393.16-12,596,596,905.36

Finding the Fourth Proportional to 18,251,558,949.72, 27,330,188,393.16 and 12,596,596,905.36

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Solution

The fourth proportional to 18,251,558,949.72, 27,330,188,393.16 and 12,596,596,905.36 is: 18,862,354,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251,558,949.72 : 27,330,188,393.16 = 12,596,596,905.36 : x
  2. Step 2: Convert to fraction form
    18,251,558,949.72/27,330,188,393.16 = 12,596,596,905.36/x
  3. Step 3: Cross multiply
    18,251,558,949.72x = 27,330,188,393.16 × 12,596,596,905.36
  4. Step 4: Simplify right side
    18,251,558,949.72x = 344,267,366,536,185,053,184
  5. Step 5: Solve for x
    x = 344,267,366,536,185,053,184/18,251,558,949.72
  6. Step 6: Final answer
    x = 18,862,354,031.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.