Home / 1,156,561,907.28-1,735,532,188.14-419,689,296.60

Finding the Fourth Proportional to 1,156,561,907.28, 1,735,532,188.14 and 419,689,296.60

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Solution

The fourth proportional to 1,156,561,907.28, 1,735,532,188.14 and 419,689,296.60 is: 629,784,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,561,907.28 : 1,735,532,188.14 = 419,689,296.60 : x
  2. Step 2: Convert to fraction form
    1,156,561,907.28/1,735,532,188.14 = 419,689,296.60/x
  3. Step 3: Cross multiply
    1,156,561,907.28x = 1,735,532,188.14 × 419,689,296.60
  4. Step 4: Simplify right side
    1,156,561,907.28x = 728,384,283,267,135,488
  5. Step 5: Solve for x
    x = 728,384,283,267,135,488/1,156,561,907.28
  6. Step 6: Final answer
    x = 629,784,085.64

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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.