Home / 1,036,157,546.40-1,554,236,319.60-422,407,197.60

Finding the Fourth Proportional to 1,036,157,546.40, 1,554,236,319.60 and 422,407,197.60

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Solution

The fourth proportional to 1,036,157,546.40, 1,554,236,319.60 and 422,407,197.60 is: 633,610,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,157,546.40 : 1,554,236,319.60 = 422,407,197.60 : x
  2. Step 2: Convert to fraction form
    1,036,157,546.40/1,554,236,319.60 = 422,407,197.60/x
  3. Step 3: Cross multiply
    1,036,157,546.40x = 1,554,236,319.60 × 422,407,197.60
  4. Step 4: Simplify right side
    1,036,157,546.40x = 656,520,608,170,373,888
  5. Step 5: Solve for x
    x = 656,520,608,170,373,888/1,036,157,546.40
  6. Step 6: Final answer
    x = 633,610,796.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.