Home / 850,917,799.65-1,276,508,667.93-359,633,137.71

Finding the Fourth Proportional to 850,917,799.65, 1,276,508,667.93 and 359,633,137.71

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Solution

The fourth proportional to 850,917,799.65, 1,276,508,667.93 and 359,633,137.71 is: 539,505,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,917,799.65 : 1,276,508,667.93 = 359,633,137.71 : x
  2. Step 2: Convert to fraction form
    850,917,799.65/1,276,508,667.93 = 359,633,137.71/x
  3. Step 3: Cross multiply
    850,917,799.65x = 1,276,508,667.93 × 359,633,137.71
  4. Step 4: Simplify right side
    850,917,799.65x = 459,074,817,561,678,336
  5. Step 5: Solve for x
    x = 459,074,817,561,678,336/850,917,799.65
  6. Step 6: Final answer
    x = 539,505,481.90

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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.