Home / 484,922,428.10-727,383,642.15-139,887,311.30

Finding the Fourth Proportional to 484,922,428.10, 727,383,642.15 and 139,887,311.30

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Solution

The fourth proportional to 484,922,428.10, 727,383,642.15 and 139,887,311.30 is: 209,830,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,922,428.10 : 727,383,642.15 = 139,887,311.30 : x
  2. Step 2: Convert to fraction form
    484,922,428.10/727,383,642.15 = 139,887,311.30/x
  3. Step 3: Cross multiply
    484,922,428.10x = 727,383,642.15 × 139,887,311.30
  4. Step 4: Simplify right side
    484,922,428.10x = 101,751,741,983,964,864
  5. Step 5: Solve for x
    x = 101,751,741,983,964,864/484,922,428.10
  6. Step 6: Final answer
    x = 209,830,966.95

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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.