Home / 663,101,095.64-994,436,411.07-220,324,866.44

Finding the Fourth Proportional to 663,101,095.64, 994,436,411.07 and 220,324,866.44

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Solution

The fourth proportional to 663,101,095.64, 994,436,411.07 and 220,324,866.44 is: 330,415,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,101,095.64 : 994,436,411.07 = 220,324,866.44 : x
  2. Step 2: Convert to fraction form
    663,101,095.64/994,436,411.07 = 220,324,866.44/x
  3. Step 3: Cross multiply
    663,101,095.64x = 994,436,411.07 × 220,324,866.44
  4. Step 4: Simplify right side
    663,101,095.64x = 219,099,069,452,070,688
  5. Step 5: Solve for x
    x = 219,099,069,452,070,688/663,101,095.64
  6. Step 6: Final answer
    x = 330,415,785.61

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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.