Home / 393,147,054.88-542,739,353.52-244,516,085.44

Finding the Fourth Proportional to 393,147,054.88, 542,739,353.52 and 244,516,085.44

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Solution

The fourth proportional to 393,147,054.88, 542,739,353.52 and 244,516,085.44 is: 337,554,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,147,054.88 : 542,739,353.52 = 244,516,085.44 : x
  2. Step 2: Convert to fraction form
    393,147,054.88/542,739,353.52 = 244,516,085.44/x
  3. Step 3: Cross multiply
    393,147,054.88x = 542,739,353.52 × 244,516,085.44
  4. Step 4: Simplify right side
    393,147,054.88x = 132,708,502,136,946,672
  5. Step 5: Solve for x
    x = 132,708,502,136,946,672/393,147,054.88
  6. Step 6: Final answer
    x = 337,554,359.09

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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.