Home / 379,393,282.18-523,402,409.12-253,985,882.37

Finding the Fourth Proportional to 379,393,282.18, 523,402,409.12 and 253,985,882.37

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Solution

The fourth proportional to 379,393,282.18, 523,402,409.12 and 253,985,882.37 is: 350,393,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,393,282.18 : 523,402,409.12 = 253,985,882.37 : x
  2. Step 2: Convert to fraction form
    379,393,282.18/523,402,409.12 = 253,985,882.37/x
  3. Step 3: Cross multiply
    379,393,282.18x = 523,402,409.12 × 253,985,882.37
  4. Step 4: Simplify right side
    379,393,282.18x = 132,936,822,714,926,944
  5. Step 5: Solve for x
    x = 132,936,822,714,926,944/379,393,282.18
  6. Step 6: Final answer
    x = 350,393,190.81

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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.