Home / 13,313,533,586.82-18,372,686,255.44-7,209,933,525.52

Finding the Fourth Proportional to 13,313,533,586.82, 18,372,686,255.44 and 7,209,933,525.52

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Solution

The fourth proportional to 13,313,533,586.82, 18,372,686,255.44 and 7,209,933,525.52 is: 9,949,713,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313,533,586.82 : 18,372,686,255.44 = 7,209,933,525.52 : x
  2. Step 2: Convert to fraction form
    13,313,533,586.82/18,372,686,255.44 = 7,209,933,525.52/x
  3. Step 3: Cross multiply
    13,313,533,586.82x = 18,372,686,255.44 × 7,209,933,525.52
  4. Step 4: Simplify right side
    13,313,533,586.82x = 132,465,846,586,957,365,248
  5. Step 5: Solve for x
    x = 132,465,846,586,957,365,248/13,313,533,586.82
  6. Step 6: Final answer
    x = 9,949,713,629.60

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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.