Home / 39,339,177,780.36-54,288,228,900.06-21,274,693,991.40

Finding the Fourth Proportional to 39,339,177,780.36, 54,288,228,900.06 and 21,274,693,991.40

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Solution

The fourth proportional to 39,339,177,780.36, 54,288,228,900.06 and 21,274,693,991.40 is: 29,359,166,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339,177,780.36 : 54,288,228,900.06 = 21,274,693,991.40 : x
  2. Step 2: Convert to fraction form
    39,339,177,780.36/54,288,228,900.06 = 21,274,693,991.40/x
  3. Step 3: Cross multiply
    39,339,177,780.36x = 54,288,228,900.06 × 21,274,693,991.40
  4. Step 4: Simplify right side
    39,339,177,780.36x = 1,154,965,457,183,854,297,088
  5. Step 5: Solve for x
    x = 1,154,965,457,183,854,297,088/39,339,177,780.36
  6. Step 6: Final answer
    x = 29,359,166,163.37

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Double scale
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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.