Home / 20,022,285,290.88-27,653,685,800.16-13,186,240,625.76

Finding the Fourth Proportional to 20,022,285,290.88, 27,653,685,800.16 and 13,186,240,625.76

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Solution

The fourth proportional to 20,022,285,290.88, 27,653,685,800.16 and 13,186,240,625.76 is: 18,212,114,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,285,290.88 : 27,653,685,800.16 = 13,186,240,625.76 : x
  2. Step 2: Convert to fraction form
    20,022,285,290.88/27,653,685,800.16 = 13,186,240,625.76/x
  3. Step 3: Cross multiply
    20,022,285,290.88x = 27,653,685,800.16 × 13,186,240,625.76
  4. Step 4: Simplify right side
    20,022,285,290.88x = 364,648,155,150,072,217,600
  5. Step 5: Solve for x
    x = 364,648,155,150,072,217,600/20,022,285,290.88
  6. Step 6: Final answer
    x = 18,212,114,643.88

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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.