Home / 1,099,850,433.72-1,517,422,161.16-623,489,732.20

Finding the Fourth Proportional to 1,099,850,433.72, 1,517,422,161.16 and 623,489,732.20

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Solution

The fourth proportional to 1,099,850,433.72, 1,517,422,161.16 and 623,489,732.20 is: 860,205,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,850,433.72 : 1,517,422,161.16 = 623,489,732.20 : x
  2. Step 2: Convert to fraction form
    1,099,850,433.72/1,517,422,161.16 = 623,489,732.20/x
  3. Step 3: Cross multiply
    1,099,850,433.72x = 1,517,422,161.16 × 623,489,732.20
  4. Step 4: Simplify right side
    1,099,850,433.72x = 946,097,136,895,993,728
  5. Step 5: Solve for x
    x = 946,097,136,895,993,728/1,099,850,433.72
  6. Step 6: Final answer
    x = 860,205,267.82

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Double scale
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1.5x scale

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.