Home / 518,186,619.52-777,416,061.66-186,227,145.61

Finding the Fourth Proportional to 518,186,619.52, 777,416,061.66 and 186,227,145.61

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Solution

The fourth proportional to 518,186,619.52, 777,416,061.66 and 186,227,145.61 is: 279,389,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,186,619.52 : 777,416,061.66 = 186,227,145.61 : x
  2. Step 2: Convert to fraction form
    518,186,619.52/777,416,061.66 = 186,227,145.61/x
  3. Step 3: Cross multiply
    518,186,619.52x = 777,416,061.66 × 186,227,145.61
  4. Step 4: Simplify right side
    518,186,619.52x = 144,775,974,114,309,568
  5. Step 5: Solve for x
    x = 144,775,974,114,309,568/518,186,619.52
  6. Step 6: Final answer
    x = 279,389,642.00

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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.