Home / 654,825,400.20-979,846,615.80-482,638,516.20

Finding the Fourth Proportional to 654,825,400.20, 979,846,615.80 and 482,638,516.20

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Solution

The fourth proportional to 654,825,400.20, 979,846,615.80 and 482,638,516.20 is: 722,195,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,825,400.20 : 979,846,615.80 = 482,638,516.20 : x
  2. Step 2: Convert to fraction form
    654,825,400.20/979,846,615.80 = 482,638,516.20/x
  3. Step 3: Cross multiply
    654,825,400.20x = 979,846,615.80 × 482,638,516.20
  4. Step 4: Simplify right side
    654,825,400.20x = 472,911,716,753,303,424
  5. Step 5: Solve for x
    x = 472,911,716,753,303,424/654,825,400.20
  6. Step 6: Final answer
    x = 722,195,132.64

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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.