Home / 578,185,467,913.75-797,915,080,935.05-317,772,407,560.89

Finding the Fourth Proportional to 578,185,467,913.75, 797,915,080,935.05 and 317,772,407,560.89

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Solution

The fourth proportional to 578,185,467,913.75, 797,915,080,935.05 and 317,772,407,560.89 is: 438,536,439,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,185,467,913.75 : 797,915,080,935.05 = 317,772,407,560.89 : x
  2. Step 2: Convert to fraction form
    578,185,467,913.75/797,915,080,935.05 = 317,772,407,560.89/x
  3. Step 3: Cross multiply
    578,185,467,913.75x = 797,915,080,935.05 × 317,772,407,560.89
  4. Step 4: Simplify right side
    578,185,467,913.75x = 253,555,396,297,873,279,680,512
  5. Step 5: Solve for x
    x = 253,555,396,297,873,279,680,512/578,185,467,913.75
  6. Step 6: Final answer
    x = 438,536,439,203.10

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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.