Home / 288,734,660.70-433,101,991.05-220,710,212.70

Finding the Fourth Proportional to 288,734,660.70, 433,101,991.05 and 220,710,212.70

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Solution

The fourth proportional to 288,734,660.70, 433,101,991.05 and 220,710,212.70 is: 331,065,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,734,660.70 : 433,101,991.05 = 220,710,212.70 : x
  2. Step 2: Convert to fraction form
    288,734,660.70/433,101,991.05 = 220,710,212.70/x
  3. Step 3: Cross multiply
    288,734,660.70x = 433,101,991.05 × 220,710,212.70
  4. Step 4: Simplify right side
    288,734,660.70x = 95,590,032,565,438,992
  5. Step 5: Solve for x
    x = 95,590,032,565,438,992/288,734,660.70
  6. Step 6: Final answer
    x = 331,065,319.05

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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.