Home / 797,284,811.20-1,195,927,216.80-505,204,837.60

Finding the Fourth Proportional to 797,284,811.20, 1,195,927,216.80 and 505,204,837.60

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Solution

The fourth proportional to 797,284,811.20, 1,195,927,216.80 and 505,204,837.60 is: 757,807,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,284,811.20 : 1,195,927,216.80 = 505,204,837.60 : x
  2. Step 2: Convert to fraction form
    797,284,811.20/1,195,927,216.80 = 505,204,837.60/x
  3. Step 3: Cross multiply
    797,284,811.20x = 1,195,927,216.80 × 505,204,837.60
  4. Step 4: Simplify right side
    797,284,811.20x = 604,188,215,344,864,000
  5. Step 5: Solve for x
    x = 604,188,215,344,864,000/797,284,811.20
  6. Step 6: Final answer
    x = 757,807,256.40

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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.