Home / 3,319,056,136.70-4,978,836,147.45-989,811,323.90

Finding the Fourth Proportional to 3,319,056,136.70, 4,978,836,147.45 and 989,811,323.90

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Solution

The fourth proportional to 3,319,056,136.70, 4,978,836,147.45 and 989,811,323.90 is: 1,484,792,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,056,136.70 : 4,978,836,147.45 = 989,811,323.90 : x
  2. Step 2: Convert to fraction form
    3,319,056,136.70/4,978,836,147.45 = 989,811,323.90/x
  3. Step 3: Cross multiply
    3,319,056,136.70x = 4,978,836,147.45 × 989,811,323.90
  4. Step 4: Simplify right side
    3,319,056,136.70x = 4,928,108,398,588,659,712
  5. Step 5: Solve for x
    x = 4,928,108,398,588,659,712/3,319,056,136.70
  6. Step 6: Final answer
    x = 1,484,792,120.29

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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.