Home / 1,334,115,324.87-1,840,005,638.94-1,172,834,465.96

Finding the Fourth Proportional to 1,334,115,324.87, 1,840,005,638.94 and 1,172,834,465.96

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Solution

The fourth proportional to 1,334,115,324.87, 1,840,005,638.94 and 1,172,834,465.96 is: 1,617,567,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,115,324.87 : 1,840,005,638.94 = 1,172,834,465.96 : x
  2. Step 2: Convert to fraction form
    1,334,115,324.87/1,840,005,638.94 = 1,172,834,465.96/x
  3. Step 3: Cross multiply
    1,334,115,324.87x = 1,840,005,638.94 × 1,172,834,465.96
  4. Step 4: Simplify right side
    1,334,115,324.87x = 2,158,022,030,900,383,488
  5. Step 5: Solve for x
    x = 2,158,022,030,900,383,488/1,334,115,324.87
  6. Step 6: Final answer
    x = 1,617,567,829.91

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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.