Home / 631,108,349.44-871,016,040.48-363,178,675.60

Finding the Fourth Proportional to 631,108,349.44, 871,016,040.48 and 363,178,675.60

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Solution

The fourth proportional to 631,108,349.44, 871,016,040.48 and 363,178,675.60 is: 501,236,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,108,349.44 : 871,016,040.48 = 363,178,675.60 : x
  2. Step 2: Convert to fraction form
    631,108,349.44/871,016,040.48 = 363,178,675.60/x
  3. Step 3: Cross multiply
    631,108,349.44x = 871,016,040.48 × 363,178,675.60
  4. Step 4: Simplify right side
    631,108,349.44x = 316,334,452,007,882,432
  5. Step 5: Solve for x
    x = 316,334,452,007,882,432/631,108,349.44
  6. Step 6: Final answer
    x = 501,236,360.27

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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.