Home / 1,147,441,173.55-1,583,422,047.43-677,694,568.75

Finding the Fourth Proportional to 1,147,441,173.55, 1,583,422,047.43 and 677,694,568.75

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Solution

The fourth proportional to 1,147,441,173.55, 1,583,422,047.43 and 677,694,568.75 is: 935,190,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,441,173.55 : 1,583,422,047.43 = 677,694,568.75 : x
  2. Step 2: Convert to fraction form
    1,147,441,173.55/1,583,422,047.43 = 677,694,568.75/x
  3. Step 3: Cross multiply
    1,147,441,173.55x = 1,583,422,047.43 × 677,694,568.75
  4. Step 4: Simplify right side
    1,147,441,173.55x = 1,073,076,521,576,663,040
  5. Step 5: Solve for x
    x = 1,073,076,521,576,663,040/1,147,441,173.55
  6. Step 6: Final answer
    x = 935,190,880.64

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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.