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Finding the Fourth Proportional to 217,740,003.20, 326,610,010.20 and 217,740,003.20

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Solution

The fourth proportional to 217,740,003.20, 326,610,010.20 and 217,740,003.20 is: 326,610,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740,003.20 : 326,610,010.20 = 217,740,003.20 : x
  2. Step 2: Convert to fraction form
    217,740,003.20/326,610,010.20 = 217,740,003.20/x
  3. Step 3: Cross multiply
    217,740,003.20x = 326,610,010.20 × 217,740,003.20
  4. Step 4: Simplify right side
    217,740,003.20x = 71,116,064,666,100,024
  5. Step 5: Solve for x
    x = 71,116,064,666,100,024/217,740,003.20
  6. Step 6: Final answer
    x = 326,610,010.20

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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.