Home / 851,635,318.64-1,174,968,069.72-694,731,190.64

Finding the Fourth Proportional to 851,635,318.64, 1,174,968,069.72 and 694,731,190.64

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Solution

The fourth proportional to 851,635,318.64, 1,174,968,069.72 and 694,731,190.64 is: 958,493,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,635,318.64 : 1,174,968,069.72 = 694,731,190.64 : x
  2. Step 2: Convert to fraction form
    851,635,318.64/1,174,968,069.72 = 694,731,190.64/x
  3. Step 3: Cross multiply
    851,635,318.64x = 1,174,968,069.72 × 694,731,190.64
  4. Step 4: Simplify right side
    851,635,318.64x = 816,286,966,040,558,080
  5. Step 5: Solve for x
    x = 816,286,966,040,558,080/851,635,318.64
  6. Step 6: Final answer
    x = 958,493,557.25

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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.