Home / 288,259,140,060.72-432,460,729,186.92-203,434,555,958.64

Finding the Fourth Proportional to 288,259,140,060.72, 432,460,729,186.92 and 203,434,555,958.64

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Solution

The fourth proportional to 288,259,140,060.72, 432,460,729,186.92 and 203,434,555,958.64 is: 305,202,660,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,259,140,060.72 : 432,460,729,186.92 = 203,434,555,958.64 : x
  2. Step 2: Convert to fraction form
    288,259,140,060.72/432,460,729,186.92 = 203,434,555,958.64/x
  3. Step 3: Cross multiply
    288,259,140,060.72x = 432,460,729,186.92 × 203,434,555,958.64
  4. Step 4: Simplify right side
    288,259,140,060.72x = 87,977,456,411,690,741,530,624
  5. Step 5: Solve for x
    x = 87,977,456,411,690,741,530,624/288,259,140,060.72
  6. Step 6: Final answer
    x = 305,202,660,332.50

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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.