Home / 381,722,090,647.20-572,583,135,970.80-169,260,694,479.60

Finding the Fourth Proportional to 381,722,090,647.20, 572,583,135,970.80 and 169,260,694,479.60

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Solution

The fourth proportional to 381,722,090,647.20, 572,583,135,970.80 and 169,260,694,479.60 is: 253,891,041,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,722,090,647.20 : 572,583,135,970.80 = 169,260,694,479.60 : x
  2. Step 2: Convert to fraction form
    381,722,090,647.20/572,583,135,970.80 = 169,260,694,479.60/x
  3. Step 3: Cross multiply
    381,722,090,647.20x = 572,583,135,970.80 × 169,260,694,479.60
  4. Step 4: Simplify right side
    381,722,090,647.20x = 96,915,819,241,724,862,005,248
  5. Step 5: Solve for x
    x = 96,915,819,241,724,862,005,248/381,722,090,647.20
  6. Step 6: Final answer
    x = 253,891,041,719.40

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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.