Home / 3,985,804,985.45-5,978,707,478.18-3,985,804,985.45

Finding the Fourth Proportional to 3,985,804,985.45, 5,978,707,478.18 and 3,985,804,985.45

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Solution

The fourth proportional to 3,985,804,985.45, 5,978,707,478.18 and 3,985,804,985.45 is: 5,978,707,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,804,985.45 : 5,978,707,478.18 = 3,985,804,985.45 : x
  2. Step 2: Convert to fraction form
    3,985,804,985.45/5,978,707,478.18 = 3,985,804,985.45/x
  3. Step 3: Cross multiply
    3,985,804,985.45x = 5,978,707,478.18 × 3,985,804,985.45
  4. Step 4: Simplify right side
    3,985,804,985.45x = 23,829,962,073,077,043,200
  5. Step 5: Solve for x
    x = 23,829,962,073,077,043,200/3,985,804,985.45
  6. Step 6: Final answer
    x = 5,978,707,478.18

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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.