Home / 792,873,187.20-1,189,309,780.80-275,249,653.20

Finding the Fourth Proportional to 792,873,187.20, 1,189,309,780.80 and 275,249,653.20

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Solution

The fourth proportional to 792,873,187.20, 1,189,309,780.80 and 275,249,653.20 is: 412,874,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,873,187.20 : 1,189,309,780.80 = 275,249,653.20 : x
  2. Step 2: Convert to fraction form
    792,873,187.20/1,189,309,780.80 = 275,249,653.20/x
  3. Step 3: Cross multiply
    792,873,187.20x = 1,189,309,780.80 × 275,249,653.20
  4. Step 4: Simplify right side
    792,873,187.20x = 327,357,104,712,568,000
  5. Step 5: Solve for x
    x = 327,357,104,712,568,000/792,873,187.20
  6. Step 6: Final answer
    x = 412,874,479.80

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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.