Home / 866,003,130.44-1,195,093,200.96-469,526,886.80

Finding the Fourth Proportional to 866,003,130.44, 1,195,093,200.96 and 469,526,886.80

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Solution

The fourth proportional to 866,003,130.44, 1,195,093,200.96 and 469,526,886.80 is: 647,951,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,003,130.44 : 1,195,093,200.96 = 469,526,886.80 : x
  2. Step 2: Convert to fraction form
    866,003,130.44/1,195,093,200.96 = 469,526,886.80/x
  3. Step 3: Cross multiply
    866,003,130.44x = 1,195,093,200.96 × 469,526,886.80
  4. Step 4: Simplify right side
    866,003,130.44x = 561,128,390,076,620,160
  5. Step 5: Solve for x
    x = 561,128,390,076,620,160/866,003,130.44
  6. Step 6: Final answer
    x = 647,951,918.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.