Home / 319,515,396.32-440,897,656.75-185,527,121.29

Finding the Fourth Proportional to 319,515,396.32, 440,897,656.75 and 185,527,121.29

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Solution

The fourth proportional to 319,515,396.32, 440,897,656.75 and 185,527,121.29 is: 256,007,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,515,396.32 : 440,897,656.75 = 185,527,121.29 : x
  2. Step 2: Convert to fraction form
    319,515,396.32/440,897,656.75 = 185,527,121.29/x
  3. Step 3: Cross multiply
    319,515,396.32x = 440,897,656.75 × 185,527,121.29
  4. Step 4: Simplify right side
    319,515,396.32x = 81,798,473,040,334,032
  5. Step 5: Solve for x
    x = 81,798,473,040,334,032/319,515,396.32
  6. Step 6: Final answer
    x = 256,007,923.19

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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.