Home / 2,191,478,051.21-3,287,171,022.04-533,394,586.85

Finding the Fourth Proportional to 2,191,478,051.21, 3,287,171,022.04 and 533,394,586.85

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Solution

The fourth proportional to 2,191,478,051.21, 3,287,171,022.04 and 533,394,586.85 is: 800,080,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,478,051.21 : 3,287,171,022.04 = 533,394,586.85 : x
  2. Step 2: Convert to fraction form
    2,191,478,051.21/3,287,171,022.04 = 533,394,586.85/x
  3. Step 3: Cross multiply
    2,191,478,051.21x = 3,287,171,022.04 × 533,394,586.85
  4. Step 4: Simplify right side
    2,191,478,051.21x = 1,753,359,229,206,009,088
  5. Step 5: Solve for x
    x = 1,753,359,229,206,009,088/2,191,478,051.21
  6. Step 6: Final answer
    x = 800,080,670.78

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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.