Home / 850,917,799.90-1,276,508,668.29-359,633,137.96

Finding the Fourth Proportional to 850,917,799.90, 1,276,508,668.29 and 359,633,137.96

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Solution

The fourth proportional to 850,917,799.90, 1,276,508,668.29 and 359,633,137.96 is: 539,505,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,917,799.90 : 1,276,508,668.29 = 359,633,137.96 : x
  2. Step 2: Convert to fraction form
    850,917,799.90/1,276,508,668.29 = 359,633,137.96/x
  3. Step 3: Cross multiply
    850,917,799.90x = 1,276,508,668.29 × 359,633,137.96
  4. Step 4: Simplify right side
    850,917,799.90x = 459,074,818,010,273,408
  5. Step 5: Solve for x
    x = 459,074,818,010,273,408/850,917,799.90
  6. Step 6: Final answer
    x = 539,505,482.27

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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.