Home / 313,067,109.20-469,600,663.80-196,669,720.40

Finding the Fourth Proportional to 313,067,109.20, 469,600,663.80 and 196,669,720.40

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Solution

The fourth proportional to 313,067,109.20, 469,600,663.80 and 196,669,720.40 is: 295,004,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,067,109.20 : 469,600,663.80 = 196,669,720.40 : x
  2. Step 2: Convert to fraction form
    313,067,109.20/469,600,663.80 = 196,669,720.40/x
  3. Step 3: Cross multiply
    313,067,109.20x = 469,600,663.80 × 196,669,720.40
  4. Step 4: Simplify right side
    313,067,109.20x = 92,356,231,249,200,400
  5. Step 5: Solve for x
    x = 92,356,231,249,200,400/313,067,109.20
  6. Step 6: Final answer
    x = 295,004,580.60

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1.5x scale

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.