Home / 851,635,328.64-1,174,968,083.52-694,731,200.64

Finding the Fourth Proportional to 851,635,328.64, 1,174,968,083.52 and 694,731,200.64

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Solution

The fourth proportional to 851,635,328.64, 1,174,968,083.52 and 694,731,200.64 is: 958,493,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,635,328.64 : 1,174,968,083.52 = 694,731,200.64 : x
  2. Step 2: Convert to fraction form
    851,635,328.64/1,174,968,083.52 = 694,731,200.64/x
  3. Step 3: Cross multiply
    851,635,328.64x = 1,174,968,083.52 × 694,731,200.64
  4. Step 4: Simplify right side
    851,635,328.64x = 816,286,987,377,529,344
  5. Step 5: Solve for x
    x = 816,286,987,377,529,344/851,635,328.64
  6. Step 6: Final answer
    x = 958,493,571.05

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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.