Home / 3,319,056,171.20-4,978,836,199.20-989,811,358.40

Finding the Fourth Proportional to 3,319,056,171.20, 4,978,836,199.20 and 989,811,358.40

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Solution

The fourth proportional to 3,319,056,171.20, 4,978,836,199.20 and 989,811,358.40 is: 1,484,792,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,056,171.20 : 4,978,836,199.20 = 989,811,358.40 : x
  2. Step 2: Convert to fraction form
    3,319,056,171.20/4,978,836,199.20 = 989,811,358.40/x
  3. Step 3: Cross multiply
    3,319,056,171.20x = 4,978,836,199.20 × 989,811,358.40
  4. Step 4: Simplify right side
    3,319,056,171.20x = 4,928,108,621,581,244,416
  5. Step 5: Solve for x
    x = 4,928,108,621,581,244,416/3,319,056,171.20
  6. Step 6: Final answer
    x = 1,484,792,172.05

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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.