Home / 578,185,467,932.25-797,915,080,960.50-317,772,407,579.28

Finding the Fourth Proportional to 578,185,467,932.25, 797,915,080,960.50 and 317,772,407,579.28

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Solution

The fourth proportional to 578,185,467,932.25, 797,915,080,960.50 and 317,772,407,579.28 is: 438,536,439,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,185,467,932.25 : 797,915,080,960.50 = 317,772,407,579.28 : x
  2. Step 2: Convert to fraction form
    578,185,467,932.25/797,915,080,960.50 = 317,772,407,579.28/x
  3. Step 3: Cross multiply
    578,185,467,932.25x = 797,915,080,960.50 × 317,772,407,579.28
  4. Step 4: Simplify right side
    578,185,467,932.25x = 253,555,396,320,634,223,984,640
  5. Step 5: Solve for x
    x = 253,555,396,320,634,223,984,640/578,185,467,932.25
  6. Step 6: Final answer
    x = 438,536,439,228.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.