Home / 304,367,478,769.68-420,028,102,167.42-169,036,659,205.87

Finding the Fourth Proportional to 304,367,478,769.68, 420,028,102,167.42 and 169,036,659,205.87

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Solution

The fourth proportional to 304,367,478,769.68, 420,028,102,167.42 and 169,036,659,205.87 is: 233,271,134,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,367,478,769.68 : 420,028,102,167.42 = 169,036,659,205.87 : x
  2. Step 2: Convert to fraction form
    304,367,478,769.68/420,028,102,167.42 = 169,036,659,205.87/x
  3. Step 3: Cross multiply
    304,367,478,769.68x = 420,028,102,167.42 × 169,036,659,205.87
  4. Step 4: Simplify right side
    304,367,478,769.68x = 71,000,147,162,962,512,052,224
  5. Step 5: Solve for x
    x = 71,000,147,162,962,512,052,224/304,367,478,769.68
  6. Step 6: Final answer
    x = 233,271,134,780.76

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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.