Home / 314,928,919.80-472,393,379.70-276,665,167.80

Finding the Fourth Proportional to 314,928,919.80, 472,393,379.70 and 276,665,167.80

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Solution

The fourth proportional to 314,928,919.80, 472,393,379.70 and 276,665,167.80 is: 414,997,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,919.80 : 472,393,379.70 = 276,665,167.80 : x
  2. Step 2: Convert to fraction form
    314,928,919.80/472,393,379.70 = 276,665,167.80/x
  3. Step 3: Cross multiply
    314,928,919.80x = 472,393,379.70 × 276,665,167.80
  4. Step 4: Simplify right side
    314,928,919.80x = 130,694,793,662,309,616
  5. Step 5: Solve for x
    x = 130,694,793,662,309,616/314,928,919.80
  6. Step 6: Final answer
    x = 414,997,751.70

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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.