Home / 998,415,404.10-1,497,509,732.07-384,948,257.22

Finding the Fourth Proportional to 998,415,404.10, 1,497,509,732.07 and 384,948,257.22

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Solution

The fourth proportional to 998,415,404.10, 1,497,509,732.07 and 384,948,257.22 is: 577,378,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,415,404.10 : 1,497,509,732.07 = 384,948,257.22 : x
  2. Step 2: Convert to fraction form
    998,415,404.10/1,497,509,732.07 = 384,948,257.22/x
  3. Step 3: Cross multiply
    998,415,404.10x = 1,497,509,732.07 × 384,948,257.22
  4. Step 4: Simplify right side
    998,415,404.10x = 576,463,761,530,335,616
  5. Step 5: Solve for x
    x = 576,463,761,530,335,616/998,415,404.10
  6. Step 6: Final answer
    x = 577,378,673.41

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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.