Home / 2,113,203,003.60-3,169,804,505.40-1,327,520,629.20

Finding the Fourth Proportional to 2,113,203,003.60, 3,169,804,505.40 and 1,327,520,629.20

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Solution

The fourth proportional to 2,113,203,003.60, 3,169,804,505.40 and 1,327,520,629.20 is: 1,991,280,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,203,003.60 : 3,169,804,505.40 = 1,327,520,629.20 : x
  2. Step 2: Convert to fraction form
    2,113,203,003.60/3,169,804,505.40 = 1,327,520,629.20/x
  3. Step 3: Cross multiply
    2,113,203,003.60x = 3,169,804,505.40 × 1,327,520,629.20
  4. Step 4: Simplify right side
    2,113,203,003.60x = 4,207,980,871,449,603,072
  5. Step 5: Solve for x
    x = 4,207,980,871,449,603,072/2,113,203,003.60
  6. Step 6: Final answer
    x = 1,991,280,943.80

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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.