Home / 30,360,324,884.64-45,481,178,453.04-20,915,300,340.96

Finding the Fourth Proportional to 30,360,324,884.64, 45,481,178,453.04 and 20,915,300,340.96

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Solution

The fourth proportional to 30,360,324,884.64, 45,481,178,453.04 and 20,915,300,340.96 is: 31,332,092,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,324,884.64 : 45,481,178,453.04 = 20,915,300,340.96 : x
  2. Step 2: Convert to fraction form
    30,360,324,884.64/45,481,178,453.04 = 20,915,300,340.96/x
  3. Step 3: Cross multiply
    30,360,324,884.64x = 45,481,178,453.04 × 20,915,300,340.96
  4. Step 4: Simplify right side
    30,360,324,884.64x = 951,252,507,206,130,073,600
  5. Step 5: Solve for x
    x = 951,252,507,206,130,073,600/30,360,324,884.64
  6. Step 6: Final answer
    x = 31,332,092,486.51

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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.