Home / 880,940,643.58-1,318,536,717.48-647,709,515.74

Finding the Fourth Proportional to 880,940,643.58, 1,318,536,717.48 and 647,709,515.74

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Solution

The fourth proportional to 880,940,643.58, 1,318,536,717.48 and 647,709,515.74 is: 969,450,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,940,643.58 : 1,318,536,717.48 = 647,709,515.74 : x
  2. Step 2: Convert to fraction form
    880,940,643.58/1,318,536,717.48 = 647,709,515.74/x
  3. Step 3: Cross multiply
    880,940,643.58x = 1,318,536,717.48 × 647,709,515.74
  4. Step 4: Simplify right side
    880,940,643.58x = 854,028,778,764,380,032
  5. Step 5: Solve for x
    x = 854,028,778,764,380,032/880,940,643.58
  6. Step 6: Final answer
    x = 969,450,989.68

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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.