Home / 708,590,080.80-1,062,885,121.20-622,496,638.80

Finding the Fourth Proportional to 708,590,080.80, 1,062,885,121.20 and 622,496,638.80

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Solution

The fourth proportional to 708,590,080.80, 1,062,885,121.20 and 622,496,638.80 is: 933,744,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,080.80 : 1,062,885,121.20 = 622,496,638.80 : x
  2. Step 2: Convert to fraction form
    708,590,080.80/1,062,885,121.20 = 622,496,638.80/x
  3. Step 3: Cross multiply
    708,590,080.80x = 1,062,885,121.20 × 622,496,638.80
  4. Step 4: Simplify right side
    708,590,080.80x = 661,642,415,377,530,624
  5. Step 5: Solve for x
    x = 661,642,415,377,530,624/708,590,080.80
  6. Step 6: Final answer
    x = 933,744,958.20

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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.