Home / 631,417,001.52-871,361,100.35-349,178,540.23

Finding the Fourth Proportional to 631,417,001.52, 871,361,100.35 and 349,178,540.23

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Solution

The fourth proportional to 631,417,001.52, 871,361,100.35 and 349,178,540.23 is: 481,869,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,417,001.52 : 871,361,100.35 = 349,178,540.23 : x
  2. Step 2: Convert to fraction form
    631,417,001.52/871,361,100.35 = 349,178,540.23/x
  3. Step 3: Cross multiply
    631,417,001.52x = 871,361,100.35 × 349,178,540.23
  4. Step 4: Simplify right side
    631,417,001.52x = 304,260,597,029,166,464
  5. Step 5: Solve for x
    x = 304,260,597,029,166,464/631,417,001.52
  6. Step 6: Final answer
    x = 481,869,503.51

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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.