Home / 1,361,427,257.18-2,042,734,879.94-476,747,579.72

Finding the Fourth Proportional to 1,361,427,257.18, 2,042,734,879.94 and 476,747,579.72

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Solution

The fourth proportional to 1,361,427,257.18, 2,042,734,879.94 and 476,747,579.72 is: 715,329,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,427,257.18 : 2,042,734,879.94 = 476,747,579.72 : x
  2. Step 2: Convert to fraction form
    1,361,427,257.18/2,042,734,879.94 = 476,747,579.72/x
  3. Step 3: Cross multiply
    1,361,427,257.18x = 2,042,734,879.94 × 476,747,579.72
  4. Step 4: Simplify right side
    1,361,427,257.18x = 973,868,910,023,742,848
  5. Step 5: Solve for x
    x = 973,868,910,023,742,848/1,361,427,257.18
  6. Step 6: Final answer
    x = 715,329,375.76

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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.