Home / 360,019,742.99-496,824,600.25-203,384,003.63

Finding the Fourth Proportional to 360,019,742.99, 496,824,600.25 and 203,384,003.63

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Solution

The fourth proportional to 360,019,742.99, 496,824,600.25 and 203,384,003.63 is: 280,668,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,019,742.99 : 496,824,600.25 = 203,384,003.63 : x
  2. Step 2: Convert to fraction form
    360,019,742.99/496,824,600.25 = 203,384,003.63/x
  3. Step 3: Cross multiply
    360,019,742.99x = 496,824,600.25 × 203,384,003.63
  4. Step 4: Simplify right side
    360,019,742.99x = 101,046,176,300,719,296
  5. Step 5: Solve for x
    x = 101,046,176,300,719,296/360,019,742.99
  6. Step 6: Final answer
    x = 280,668,430.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.