Home / 578,185,467,933.90-797,915,080,962.90-317,772,407,580.96

Finding the Fourth Proportional to 578,185,467,933.90, 797,915,080,962.90 and 317,772,407,580.96

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Solution

The fourth proportional to 578,185,467,933.90, 797,915,080,962.90 and 317,772,407,580.96 is: 438,536,439,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,185,467,933.90 : 797,915,080,962.90 = 317,772,407,580.96 : x
  2. Step 2: Convert to fraction form
    578,185,467,933.90/797,915,080,962.90 = 317,772,407,580.96/x
  3. Step 3: Cross multiply
    578,185,467,933.90x = 797,915,080,962.90 × 317,772,407,580.96
  4. Step 4: Simplify right side
    578,185,467,933.90x = 253,555,396,322,737,382,227,968
  5. Step 5: Solve for x
    x = 253,555,396,322,737,382,227,968/578,185,467,933.90
  6. Step 6: Final answer
    x = 438,536,439,230.82

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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.