Home / 472,392,024.80-708,588,037.20-326,517,375.20

Finding the Fourth Proportional to 472,392,024.80, 708,588,037.20 and 326,517,375.20

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Solution

The fourth proportional to 472,392,024.80, 708,588,037.20 and 326,517,375.20 is: 489,776,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,024.80 : 708,588,037.20 = 326,517,375.20 : x
  2. Step 2: Convert to fraction form
    472,392,024.80/708,588,037.20 = 326,517,375.20/x
  3. Step 3: Cross multiply
    472,392,024.80x = 708,588,037.20 × 326,517,375.20
  4. Step 4: Simplify right side
    472,392,024.80x = 231,366,306,004,663,968
  5. Step 5: Solve for x
    x = 231,366,306,004,663,968/472,392,024.80
  6. Step 6: Final answer
    x = 489,776,062.80

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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.