Home / 631,108,250.88-871,015,904.46-363,178,577.13

Finding the Fourth Proportional to 631,108,250.88, 871,015,904.46 and 363,178,577.13

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Solution

The fourth proportional to 631,108,250.88, 871,015,904.46 and 363,178,577.13 is: 501,236,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,108,250.88 : 871,015,904.46 = 363,178,577.13 : x
  2. Step 2: Convert to fraction form
    631,108,250.88/871,015,904.46 = 363,178,577.13/x
  3. Step 3: Cross multiply
    631,108,250.88x = 871,015,904.46 × 363,178,577.13
  4. Step 4: Simplify right side
    631,108,250.88x = 316,334,316,839,382,848
  5. Step 5: Solve for x
    x = 316,334,316,839,382,848/631,108,250.88
  6. Step 6: Final answer
    x = 501,236,224.37

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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.