Home / 379,393,118.52-523,402,181.04-253,985,716.17

Finding the Fourth Proportional to 379,393,118.52, 523,402,181.04 and 253,985,716.17

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Solution

The fourth proportional to 379,393,118.52, 523,402,181.04 and 253,985,716.17 is: 350,392,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,393,118.52 : 523,402,181.04 = 253,985,716.17 : x
  2. Step 2: Convert to fraction form
    379,393,118.52/523,402,181.04 = 253,985,716.17/x
  3. Step 3: Cross multiply
    379,393,118.52x = 523,402,181.04 × 253,985,716.17
  4. Step 4: Simplify right side
    379,393,118.52x = 132,936,677,796,384,400
  5. Step 5: Solve for x
    x = 132,936,677,796,384,400/379,393,118.52
  6. Step 6: Final answer
    x = 350,392,959.99

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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.