Home / 631,108,248.13-871,015,900.67-363,178,574.38

Finding the Fourth Proportional to 631,108,248.13, 871,015,900.67 and 363,178,574.38

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Solution

The fourth proportional to 631,108,248.13, 871,015,900.67 and 363,178,574.38 is: 501,236,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,108,248.13 : 871,015,900.67 = 363,178,574.38 : x
  2. Step 2: Convert to fraction form
    631,108,248.13/871,015,900.67 = 363,178,574.38/x
  3. Step 3: Cross multiply
    631,108,248.13x = 871,015,900.67 × 363,178,574.38
  4. Step 4: Simplify right side
    631,108,248.13x = 316,334,313,067,642,240
  5. Step 5: Solve for x
    x = 316,334,313,067,642,240/631,108,248.13
  6. Step 6: Final answer
    x = 501,236,220.58

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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.