Home / 797,326,727.10-1,195,990,090.65-688,275,033.90

Finding the Fourth Proportional to 797,326,727.10, 1,195,990,090.65 and 688,275,033.90

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Solution

The fourth proportional to 797,326,727.10, 1,195,990,090.65 and 688,275,033.90 is: 1,032,412,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,326,727.10 : 1,195,990,090.65 = 688,275,033.90 : x
  2. Step 2: Convert to fraction form
    797,326,727.10/1,195,990,090.65 = 688,275,033.90/x
  3. Step 3: Cross multiply
    797,326,727.10x = 1,195,990,090.65 × 688,275,033.90
  4. Step 4: Simplify right side
    797,326,727.10x = 823,170,120,186,192,896
  5. Step 5: Solve for x
    x = 823,170,120,186,192,896/797,326,727.10
  6. Step 6: Final answer
    x = 1,032,412,550.85

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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.