Home / 1,293,003,859.80-1,940,723,511.30-680,028,000.60

Finding the Fourth Proportional to 1,293,003,859.80, 1,940,723,511.30 and 680,028,000.60

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Solution

The fourth proportional to 1,293,003,859.80, 1,940,723,511.30 and 680,028,000.60 is: 1,020,682,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,003,859.80 : 1,940,723,511.30 = 680,028,000.60 : x
  2. Step 2: Convert to fraction form
    1,293,003,859.80/1,940,723,511.30 = 680,028,000.60/x
  3. Step 3: Cross multiply
    1,293,003,859.80x = 1,940,723,511.30 × 680,028,000.60
  4. Step 4: Simplify right side
    1,293,003,859.80x = 1,319,746,329,106,750,464
  5. Step 5: Solve for x
    x = 1,319,746,329,106,750,464/1,293,003,859.80
  6. Step 6: Final answer
    x = 1,020,682,435.79

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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.