Home / 6,419,442,992.32-9,631,458,181.28-3,903,490,040.16

Finding the Fourth Proportional to 6,419,442,992.32, 9,631,458,181.28 and 3,903,490,040.16

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Solution

The fourth proportional to 6,419,442,992.32, 9,631,458,181.28 and 3,903,490,040.16 is: 5,856,629,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,442,992.32 : 9,631,458,181.28 = 3,903,490,040.16 : x
  2. Step 2: Convert to fraction form
    6,419,442,992.32/9,631,458,181.28 = 3,903,490,040.16/x
  3. Step 3: Cross multiply
    6,419,442,992.32x = 9,631,458,181.28 × 3,903,490,040.16
  4. Step 4: Simplify right side
    6,419,442,992.32x = 37,596,301,082,871,439,360
  5. Step 5: Solve for x
    x = 37,596,301,082,871,439,360/6,419,442,992.32
  6. Step 6: Final answer
    x = 5,856,629,792.93

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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.