Home / 547,005,309.80-820,507,964.70-164,052,861.80

Finding the Fourth Proportional to 547,005,309.80, 820,507,964.70 and 164,052,861.80

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Solution

The fourth proportional to 547,005,309.80, 820,507,964.70 and 164,052,861.80 is: 246,079,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,005,309.80 : 820,507,964.70 = 164,052,861.80 : x
  2. Step 2: Convert to fraction form
    547,005,309.80/820,507,964.70 = 164,052,861.80/x
  3. Step 3: Cross multiply
    547,005,309.80x = 820,507,964.70 × 164,052,861.80
  4. Step 4: Simplify right side
    547,005,309.80x = 134,606,679,738,728,400
  5. Step 5: Solve for x
    x = 134,606,679,738,728,400/547,005,309.80
  6. Step 6: Final answer
    x = 246,079,292.70

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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.