Home / 472,392,511.20-708,588,766.80-455,173,822.80

Finding the Fourth Proportional to 472,392,511.20, 708,588,766.80 and 455,173,822.80

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Solution

The fourth proportional to 472,392,511.20, 708,588,766.80 and 455,173,822.80 is: 682,760,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,511.20 : 708,588,766.80 = 455,173,822.80 : x
  2. Step 2: Convert to fraction form
    472,392,511.20/708,588,766.80 = 455,173,822.80/x
  3. Step 3: Cross multiply
    472,392,511.20x = 708,588,766.80 × 455,173,822.80
  4. Step 4: Simplify right side
    472,392,511.20x = 322,531,057,777,493,696
  5. Step 5: Solve for x
    x = 322,531,057,777,493,696/472,392,511.20
  6. Step 6: Final answer
    x = 682,760,734.20

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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.