Home / 654,825,405.20-979,846,623.30-482,638,521.20

Finding the Fourth Proportional to 654,825,405.20, 979,846,623.30 and 482,638,521.20

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Solution

The fourth proportional to 654,825,405.20, 979,846,623.30 and 482,638,521.20 is: 722,195,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,825,405.20 : 979,846,623.30 = 482,638,521.20 : x
  2. Step 2: Convert to fraction form
    654,825,405.20/979,846,623.30 = 482,638,521.20/x
  3. Step 3: Cross multiply
    654,825,405.20x = 979,846,623.30 × 482,638,521.20
  4. Step 4: Simplify right side
    654,825,405.20x = 472,911,725,272,325,440
  5. Step 5: Solve for x
    x = 472,911,725,272,325,440/654,825,405.20
  6. Step 6: Final answer
    x = 722,195,140.13

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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.