Home / 379,393,166.25-523,402,249.26-253,985,766.50

Finding the Fourth Proportional to 379,393,166.25, 523,402,249.26 and 253,985,766.50

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Solution

The fourth proportional to 379,393,166.25, 523,402,249.26 and 253,985,766.50 is: 350,393,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,393,166.25 : 523,402,249.26 = 253,985,766.50 : x
  2. Step 2: Convert to fraction form
    379,393,166.25/523,402,249.26 = 253,985,766.50/x
  3. Step 3: Cross multiply
    379,393,166.25x = 523,402,249.26 × 253,985,766.50
  4. Step 4: Simplify right side
    379,393,166.25x = 132,936,721,465,447,120
  5. Step 5: Solve for x
    x = 132,936,721,465,447,120/379,393,166.25
  6. Step 6: Final answer
    x = 350,393,031.01

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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.