Home / 631,531,816.03-871,469,663.75-367,195,055.63

Finding the Fourth Proportional to 631,531,816.03, 871,469,663.75 and 367,195,055.63

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Solution

The fourth proportional to 631,531,816.03, 871,469,663.75 and 367,195,055.63 is: 506,703,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,531,816.03 : 871,469,663.75 = 367,195,055.63 : x
  2. Step 2: Convert to fraction form
    631,531,816.03/871,469,663.75 = 367,195,055.63/x
  3. Step 3: Cross multiply
    631,531,816.03x = 871,469,663.75 × 367,195,055.63
  4. Step 4: Simplify right side
    631,531,816.03x = 319,999,351,660,538,624
  5. Step 5: Solve for x
    x = 319,999,351,660,538,624/631,531,816.03
  6. Step 6: Final answer
    x = 506,703,452.69

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Double scale
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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.