Home / 3,319,056,103.20-4,978,836,097.20-989,811,290.40

Finding the Fourth Proportional to 3,319,056,103.20, 4,978,836,097.20 and 989,811,290.40

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Solution

The fourth proportional to 3,319,056,103.20, 4,978,836,097.20 and 989,811,290.40 is: 1,484,792,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,056,103.20 : 4,978,836,097.20 = 989,811,290.40 : x
  2. Step 2: Convert to fraction form
    3,319,056,103.20/4,978,836,097.20 = 989,811,290.40/x
  3. Step 3: Cross multiply
    3,319,056,103.20x = 4,978,836,097.20 × 989,811,290.40
  4. Step 4: Simplify right side
    3,319,056,103.20x = 4,928,108,182,059,631,616
  5. Step 5: Solve for x
    x = 4,928,108,182,059,631,616/3,319,056,103.20
  6. Step 6: Final answer
    x = 1,484,792,070.04

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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.