Home / 382,480,393.07-527,807,351.73-225,898,191.47

Finding the Fourth Proportional to 382,480,393.07, 527,807,351.73 and 225,898,191.47

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Solution

The fourth proportional to 382,480,393.07, 527,807,351.73 and 225,898,191.47 is: 311,730,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,480,393.07 : 527,807,351.73 = 225,898,191.47 : x
  2. Step 2: Convert to fraction form
    382,480,393.07/527,807,351.73 = 225,898,191.47/x
  3. Step 3: Cross multiply
    382,480,393.07x = 527,807,351.73 × 225,898,191.47
  4. Step 4: Simplify right side
    382,480,393.07x = 119,230,726,197,738,144
  5. Step 5: Solve for x
    x = 119,230,726,197,738,144/382,480,393.07
  6. Step 6: Final answer
    x = 311,730,296.14

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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.