Home / 400,431,262.22-552,599,562.07-221,817,886.40

Finding the Fourth Proportional to 400,431,262.22, 552,599,562.07 and 221,817,886.40

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Solution

The fourth proportional to 400,431,262.22, 552,599,562.07 and 221,817,886.40 is: 306,111,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,431,262.22 : 552,599,562.07 = 221,817,886.40 : x
  2. Step 2: Convert to fraction form
    400,431,262.22/552,599,562.07 = 221,817,886.40/x
  3. Step 3: Cross multiply
    400,431,262.22x = 552,599,562.07 × 221,817,886.40
  4. Step 4: Simplify right side
    400,431,262.22x = 122,576,466,883,933,024
  5. Step 5: Solve for x
    x = 122,576,466,883,933,024/400,431,262.22
  6. Step 6: Final answer
    x = 306,111,131.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.