Home / 684,361,105.56-1,026,131,704.92-217,821,007.08

Finding the Fourth Proportional to 684,361,105.56, 1,026,131,704.92 and 217,821,007.08

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Solution

The fourth proportional to 684,361,105.56, 1,026,131,704.92 and 217,821,007.08 is: 326,601,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,361,105.56 : 1,026,131,704.92 = 217,821,007.08 : x
  2. Step 2: Convert to fraction form
    684,361,105.56/1,026,131,704.92 = 217,821,007.08/x
  3. Step 3: Cross multiply
    684,361,105.56x = 1,026,131,704.92 × 217,821,007.08
  4. Step 4: Simplify right side
    684,361,105.56x = 223,513,041,362,391,808
  5. Step 5: Solve for x
    x = 223,513,041,362,391,808/684,361,105.56
  6. Step 6: Final answer
    x = 326,601,029.12

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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.