Home / 418,702,699,406.57-628,236,730,152.51-146,622,229,227.82

Finding the Fourth Proportional to 418,702,699,406.57, 628,236,730,152.51 and 146,622,229,227.82

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Solution

The fourth proportional to 418,702,699,406.57, 628,236,730,152.51 and 146,622,229,227.82 is: 219,997,315,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,702,699,406.57 : 628,236,730,152.51 = 146,622,229,227.82 : x
  2. Step 2: Convert to fraction form
    418,702,699,406.57/628,236,730,152.51 = 146,622,229,227.82/x
  3. Step 3: Cross multiply
    418,702,699,406.57x = 628,236,730,152.51 × 146,622,229,227.82
  4. Step 4: Simplify right side
    418,702,699,406.57x = 92,113,469,857,757,426,352,128
  5. Step 5: Solve for x
    x = 92,113,469,857,757,426,352,128/418,702,699,406.57
  6. Step 6: Final answer
    x = 219,997,315,489.75

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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.