Home / 417,538,420.22-576,203,001.63-231,916,707.74

Finding the Fourth Proportional to 417,538,420.22, 576,203,001.63 and 231,916,707.74

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Solution

The fourth proportional to 417,538,420.22, 576,203,001.63 and 231,916,707.74 is: 320,045,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,538,420.22 : 576,203,001.63 = 231,916,707.74 : x
  2. Step 2: Convert to fraction form
    417,538,420.22/576,203,001.63 = 231,916,707.74/x
  3. Step 3: Cross multiply
    417,538,420.22x = 576,203,001.63 × 231,916,707.74
  4. Step 4: Simplify right side
    417,538,420.22x = 133,631,103,127,935,456
  5. Step 5: Solve for x
    x = 133,631,103,127,935,456/417,538,420.22
  6. Step 6: Final answer
    x = 320,045,046.53

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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.