Home / 65,933,840,506.40-91,012,367,227.92-39,201,762,992.48

Finding the Fourth Proportional to 65,933,840,506.40, 91,012,367,227.92 and 39,201,762,992.48

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Solution

The fourth proportional to 65,933,840,506.40, 91,012,367,227.92 and 39,201,762,992.48 is: 54,112,504,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,933,840,506.40 : 91,012,367,227.92 = 39,201,762,992.48 : x
  2. Step 2: Convert to fraction form
    65,933,840,506.40/91,012,367,227.92 = 39,201,762,992.48/x
  3. Step 3: Cross multiply
    65,933,840,506.40x = 91,012,367,227.92 × 39,201,762,992.48
  4. Step 4: Simplify right side
    65,933,840,506.40x = 3,567,845,249,453,474,185,216
  5. Step 5: Solve for x
    x = 3,567,845,249,453,474,185,216/65,933,840,506.40
  6. Step 6: Final answer
    x = 54,112,504,626.62

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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.