Home / 263,684,415.80-395,246,687.70-127,280,934.20

Finding the Fourth Proportional to 263,684,415.80, 395,246,687.70 and 127,280,934.20

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Solution

The fourth proportional to 263,684,415.80, 395,246,687.70 and 127,280,934.20 is: 190,786,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,684,415.80 : 395,246,687.70 = 127,280,934.20 : x
  2. Step 2: Convert to fraction form
    263,684,415.80/395,246,687.70 = 127,280,934.20/x
  3. Step 3: Cross multiply
    263,684,415.80x = 395,246,687.70 × 127,280,934.20
  4. Step 4: Simplify right side
    263,684,415.80x = 50,307,367,649,911,648
  5. Step 5: Solve for x
    x = 50,307,367,649,911,648/263,684,415.80
  6. Step 6: Final answer
    x = 190,786,275.70

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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.