Home / 397,548,010.80-596,322,016.20-155,210,914.80

Finding the Fourth Proportional to 397,548,010.80, 596,322,016.20 and 155,210,914.80

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Solution

The fourth proportional to 397,548,010.80, 596,322,016.20 and 155,210,914.80 is: 232,816,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,548,010.80 : 596,322,016.20 = 155,210,914.80 : x
  2. Step 2: Convert to fraction form
    397,548,010.80/596,322,016.20 = 155,210,914.80/x
  3. Step 3: Cross multiply
    397,548,010.80x = 596,322,016.20 × 155,210,914.80
  4. Step 4: Simplify right side
    397,548,010.80x = 92,555,685,649,782,432
  5. Step 5: Solve for x
    x = 92,555,685,649,782,432/397,548,010.80
  6. Step 6: Final answer
    x = 232,816,372.20

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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.