Home / 946,250,512.80-1,305,798,216.48-522,857,446.56

Finding the Fourth Proportional to 946,250,512.80, 1,305,798,216.48 and 522,857,446.56

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Solution

The fourth proportional to 946,250,512.80, 1,305,798,216.48 and 522,857,446.56 is: 721,528,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,250,512.80 : 1,305,798,216.48 = 522,857,446.56 : x
  2. Step 2: Convert to fraction form
    946,250,512.80/1,305,798,216.48 = 522,857,446.56/x
  3. Step 3: Cross multiply
    946,250,512.80x = 1,305,798,216.48 × 522,857,446.56
  4. Step 4: Simplify right side
    946,250,512.80x = 682,746,321,191,334,912
  5. Step 5: Solve for x
    x = 682,746,321,191,334,912/946,250,512.80
  6. Step 6: Final answer
    x = 721,528,085.80

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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.