Home / 1,077,850,932.44-1,487,068,938.79-879,269,145.44

Finding the Fourth Proportional to 1,077,850,932.44, 1,487,068,938.79 and 879,269,145.44

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Solution

The fourth proportional to 1,077,850,932.44, 1,487,068,938.79 and 879,269,145.44 is: 1,213,093,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,850,932.44 : 1,487,068,938.79 = 879,269,145.44 : x
  2. Step 2: Convert to fraction form
    1,077,850,932.44/1,487,068,938.79 = 879,269,145.44/x
  3. Step 3: Cross multiply
    1,077,850,932.44x = 1,487,068,938.79 × 879,269,145.44
  4. Step 4: Simplify right side
    1,077,850,932.44x = 1,307,533,835,010,617,344
  5. Step 5: Solve for x
    x = 1,307,533,835,010,617,344/1,077,850,932.44
  6. Step 6: Final answer
    x = 1,213,093,383.94

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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.