Home / 694,541,690.55-1,041,020,018.04-279,753,025.23

Finding the Fourth Proportional to 694,541,690.55, 1,041,020,018.04 and 279,753,025.23

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Solution

The fourth proportional to 694,541,690.55, 1,041,020,018.04 and 279,753,025.23 is: 419,310,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,541,690.55 : 1,041,020,018.04 = 279,753,025.23 : x
  2. Step 2: Convert to fraction form
    694,541,690.55/1,041,020,018.04 = 279,753,025.23/x
  3. Step 3: Cross multiply
    694,541,690.55x = 1,041,020,018.04 × 279,753,025.23
  4. Step 4: Simplify right side
    694,541,690.55x = 291,228,499,371,679,168
  5. Step 5: Solve for x
    x = 291,228,499,371,679,168/694,541,690.55
  6. Step 6: Final answer
    x = 419,310,321.23

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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.