Home / 1,410,960,297.27-2,116,522,819.26-428,418,890.46

Finding the Fourth Proportional to 1,410,960,297.27, 2,116,522,819.26 and 428,418,890.46

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Solution

The fourth proportional to 1,410,960,297.27, 2,116,522,819.26 and 428,418,890.46 is: 642,653,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,960,297.27 : 2,116,522,819.26 = 428,418,890.46 : x
  2. Step 2: Convert to fraction form
    1,410,960,297.27/2,116,522,819.26 = 428,418,890.46/x
  3. Step 3: Cross multiply
    1,410,960,297.27x = 2,116,522,819.26 × 428,418,890.46
  4. Step 4: Simplify right side
    1,410,960,297.27x = 906,758,357,860,640,256
  5. Step 5: Solve for x
    x = 906,758,357,860,640,256/1,410,960,297.27
  6. Step 6: Final answer
    x = 642,653,347.24

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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.