Home / 850,917,797.65-1,276,508,664.92-359,633,135.71

Finding the Fourth Proportional to 850,917,797.65, 1,276,508,664.92 and 359,633,135.71

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Solution

The fourth proportional to 850,917,797.65, 1,276,508,664.92 and 359,633,135.71 is: 539,505,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,917,797.65 : 1,276,508,664.92 = 359,633,135.71 : x
  2. Step 2: Convert to fraction form
    850,917,797.65/1,276,508,664.92 = 359,633,135.71/x
  3. Step 3: Cross multiply
    850,917,797.65x = 1,276,508,664.92 × 359,633,135.71
  4. Step 4: Simplify right side
    850,917,797.65x = 459,074,813,926,165,248
  5. Step 5: Solve for x
    x = 459,074,813,926,165,248/850,917,797.65
  6. Step 6: Final answer
    x = 539,505,478.90

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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.