Home / 839,809,161.20-1,259,713,741.80-580,476,450.80

Finding the Fourth Proportional to 839,809,161.20, 1,259,713,741.80 and 580,476,450.80

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Solution

The fourth proportional to 839,809,161.20, 1,259,713,741.80 and 580,476,450.80 is: 870,714,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,161.20 : 1,259,713,741.80 = 580,476,450.80 : x
  2. Step 2: Convert to fraction form
    839,809,161.20/1,259,713,741.80 = 580,476,450.80/x
  3. Step 3: Cross multiply
    839,809,161.20x = 1,259,713,741.80 × 580,476,450.80
  4. Step 4: Simplify right side
    839,809,161.20x = 731,234,161,864,051,456
  5. Step 5: Solve for x
    x = 731,234,161,864,051,456/839,809,161.20
  6. Step 6: Final answer
    x = 870,714,676.20

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Double scale
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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.