Home / 628,922,272.80-943,383,409.20-192,222,112.80

Finding the Fourth Proportional to 628,922,272.80, 943,383,409.20 and 192,222,112.80

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Solution

The fourth proportional to 628,922,272.80, 943,383,409.20 and 192,222,112.80 is: 288,333,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,922,272.80 : 943,383,409.20 = 192,222,112.80 : x
  2. Step 2: Convert to fraction form
    628,922,272.80/943,383,409.20 = 192,222,112.80/x
  3. Step 3: Cross multiply
    628,922,272.80x = 943,383,409.20 × 192,222,112.80
  4. Step 4: Simplify right side
    628,922,272.80x = 181,339,152,096,890,976
  5. Step 5: Solve for x
    x = 181,339,152,096,890,976/628,922,272.80
  6. Step 6: Final answer
    x = 288,333,169.20

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1.5x scale

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.