Home / 674,476,947.45-930,493,173.65-451,530,458.91

Finding the Fourth Proportional to 674,476,947.45, 930,493,173.65 and 451,530,458.91

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Solution

The fourth proportional to 674,476,947.45, 930,493,173.65 and 451,530,458.91 is: 622,921,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,476,947.45 : 930,493,173.65 = 451,530,458.91 : x
  2. Step 2: Convert to fraction form
    674,476,947.45/930,493,173.65 = 451,530,458.91/x
  3. Step 3: Cross multiply
    674,476,947.45x = 930,493,173.65 × 451,530,458.91
  4. Step 4: Simplify right side
    674,476,947.45x = 420,146,009,708,549,184
  5. Step 5: Solve for x
    x = 420,146,009,708,549,184/674,476,947.45
  6. Step 6: Final answer
    x = 622,921,229.99

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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.