Home / 288,735,620.20-433,103,430.30-220,711,172.20

Finding the Fourth Proportional to 288,735,620.20, 433,103,430.30 and 220,711,172.20

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Solution

The fourth proportional to 288,735,620.20, 433,103,430.30 and 220,711,172.20 is: 331,066,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,735,620.20 : 433,103,430.30 = 220,711,172.20 : x
  2. Step 2: Convert to fraction form
    288,735,620.20/433,103,430.30 = 220,711,172.20/x
  3. Step 3: Cross multiply
    288,735,620.20x = 433,103,430.30 × 220,711,172.20
  4. Step 4: Simplify right side
    288,735,620.20x = 95,590,765,785,354,000
  5. Step 5: Solve for x
    x = 95,590,765,785,354,000/288,735,620.20
  6. Step 6: Final answer
    x = 331,066,758.30

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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.