Home / 1,137,305,511.12-1,569,451,498.89-635,518,418.10

Finding the Fourth Proportional to 1,137,305,511.12, 1,569,451,498.89 and 635,518,418.10

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Solution

The fourth proportional to 1,137,305,511.12, 1,569,451,498.89 and 635,518,418.10 is: 876,998,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,305,511.12 : 1,569,451,498.89 = 635,518,418.10 : x
  2. Step 2: Convert to fraction form
    1,137,305,511.12/1,569,451,498.89 = 635,518,418.10/x
  3. Step 3: Cross multiply
    1,137,305,511.12x = 1,569,451,498.89 × 635,518,418.10
  4. Step 4: Simplify right side
    1,137,305,511.12x = 997,415,333,859,246,848
  5. Step 5: Solve for x
    x = 997,415,333,859,246,848/1,137,305,511.12
  6. Step 6: Final answer
    x = 876,998,593.70

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.