Home / 505,718,017.30-758,577,025.95-331,121,934.10

Finding the Fourth Proportional to 505,718,017.30, 758,577,025.95 and 331,121,934.10

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Solution

The fourth proportional to 505,718,017.30, 758,577,025.95 and 331,121,934.10 is: 496,682,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,718,017.30 : 758,577,025.95 = 331,121,934.10 : x
  2. Step 2: Convert to fraction form
    505,718,017.30/758,577,025.95 = 331,121,934.10/x
  3. Step 3: Cross multiply
    505,718,017.30x = 758,577,025.95 × 331,121,934.10
  4. Step 4: Simplify right side
    505,718,017.30x = 251,181,491,996,389,920
  5. Step 5: Solve for x
    x = 251,181,491,996,389,920/505,718,017.30
  6. Step 6: Final answer
    x = 496,682,901.15

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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.