Home / 3,993,638,193.72-5,512,985,968.32-2,386,660,254.93

Finding the Fourth Proportional to 3,993,638,193.72, 5,512,985,968.32 and 2,386,660,254.93

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Solution

The fourth proportional to 3,993,638,193.72, 5,512,985,968.32 and 2,386,660,254.93 is: 3,294,646,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,638,193.72 : 5,512,985,968.32 = 2,386,660,254.93 : x
  2. Step 2: Convert to fraction form
    3,993,638,193.72/5,512,985,968.32 = 2,386,660,254.93/x
  3. Step 3: Cross multiply
    3,993,638,193.72x = 5,512,985,968.32 × 2,386,660,254.93
  4. Step 4: Simplify right side
    3,993,638,193.72x = 13,157,624,496,576,122,880
  5. Step 5: Solve for x
    x = 13,157,624,496,576,122,880/3,993,638,193.72
  6. Step 6: Final answer
    x = 3,294,646,099.21

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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.