Home / 885,825,074.20-1,222,475,743.05-509,481,766.73

Finding the Fourth Proportional to 885,825,074.20, 1,222,475,743.05 and 509,481,766.73

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Solution

The fourth proportional to 885,825,074.20, 1,222,475,743.05 and 509,481,766.73 is: 703,106,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,825,074.20 : 1,222,475,743.05 = 509,481,766.73 : x
  2. Step 2: Convert to fraction form
    885,825,074.20/1,222,475,743.05 = 509,481,766.73/x
  3. Step 3: Cross multiply
    885,825,074.20x = 1,222,475,743.05 × 509,481,766.73
  4. Step 4: Simplify right side
    885,825,074.20x = 622,829,101,353,683,456
  5. Step 5: Solve for x
    x = 622,829,101,353,683,456/885,825,074.20
  6. Step 6: Final answer
    x = 703,106,199.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.