Home / 631,108,562.31-871,016,334.48-363,178,888.56

Finding the Fourth Proportional to 631,108,562.31, 871,016,334.48 and 363,178,888.56

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Solution

The fourth proportional to 631,108,562.31, 871,016,334.48 and 363,178,888.56 is: 501,236,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,108,562.31 : 871,016,334.48 = 363,178,888.56 : x
  2. Step 2: Convert to fraction form
    631,108,562.31/871,016,334.48 = 363,178,888.56/x
  3. Step 3: Cross multiply
    631,108,562.31x = 871,016,334.48 × 363,178,888.56
  4. Step 4: Simplify right side
    631,108,562.31x = 316,334,744,274,051,584
  5. Step 5: Solve for x
    x = 316,334,744,274,051,584/631,108,562.31
  6. Step 6: Final answer
    x = 501,236,654.30

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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.