Home / 518,186,618.52-777,416,060.16-186,227,144.61

Finding the Fourth Proportional to 518,186,618.52, 777,416,060.16 and 186,227,144.61

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Solution

The fourth proportional to 518,186,618.52, 777,416,060.16 and 186,227,144.61 is: 279,389,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,186,618.52 : 777,416,060.16 = 186,227,144.61 : x
  2. Step 2: Convert to fraction form
    518,186,618.52/777,416,060.16 = 186,227,144.61/x
  3. Step 3: Cross multiply
    518,186,618.52x = 777,416,060.16 × 186,227,144.61
  4. Step 4: Simplify right side
    518,186,618.52x = 144,775,973,057,552,800
  5. Step 5: Solve for x
    x = 144,775,973,057,552,800/518,186,618.52
  6. Step 6: Final answer
    x = 279,389,640.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.