Home / 1,260,752,100.84-1,892,275,745.55-671,037,432.69

Finding the Fourth Proportional to 1,260,752,100.84, 1,892,275,745.55 and 671,037,432.69

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Solution

The fourth proportional to 1,260,752,100.84, 1,892,275,745.55 and 671,037,432.69 is: 1,007,166,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,752,100.84 : 1,892,275,745.55 = 671,037,432.69 : x
  2. Step 2: Convert to fraction form
    1,260,752,100.84/1,892,275,745.55 = 671,037,432.69/x
  3. Step 3: Cross multiply
    1,260,752,100.84x = 1,892,275,745.55 × 671,037,432.69
  4. Step 4: Simplify right side
    1,260,752,100.84x = 1,269,787,858,235,427,840
  5. Step 5: Solve for x
    x = 1,269,787,858,235,427,840/1,260,752,100.84
  6. Step 6: Final answer
    x = 1,007,166,958.03

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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.