Home / 13,191,838,462.80-19,787,757,694.20-11,125,595,854.80

Finding the Fourth Proportional to 13,191,838,462.80, 19,787,757,694.20 and 11,125,595,854.80

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Solution

The fourth proportional to 13,191,838,462.80, 19,787,757,694.20 and 11,125,595,854.80 is: 16,688,393,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,838,462.80 : 19,787,757,694.20 = 11,125,595,854.80 : x
  2. Step 2: Convert to fraction form
    13,191,838,462.80/19,787,757,694.20 = 11,125,595,854.80/x
  3. Step 3: Cross multiply
    13,191,838,462.80x = 19,787,757,694.20 × 11,125,595,854.80
  4. Step 4: Simplify right side
    13,191,838,462.80x = 220,150,594,978,378,317,824
  5. Step 5: Solve for x
    x = 220,150,594,978,378,317,824/13,191,838,462.80
  6. Step 6: Final answer
    x = 16,688,393,782.20

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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.