Home / 903,108,666,194.25-1,246,322,847,335.20-491,557,261,668.15

Finding the Fourth Proportional to 903,108,666,194.25, 1,246,322,847,335.20 and 491,557,261,668.15

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Solution

The fourth proportional to 903,108,666,194.25, 1,246,322,847,335.20 and 491,557,261,668.15 is: 678,366,921,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,108,666,194.25 : 1,246,322,847,335.20 = 491,557,261,668.15 : x
  2. Step 2: Convert to fraction form
    903,108,666,194.25/1,246,322,847,335.20 = 491,557,261,668.15/x
  3. Step 3: Cross multiply
    903,108,666,194.25x = 1,246,322,847,335.20 × 491,557,261,668.15
  4. Step 4: Simplify right side
    903,108,666,194.25x = 612,639,045,990,542,670,299,136
  5. Step 5: Solve for x
    x = 612,639,045,990,542,670,299,136/903,108,666,194.25
  6. Step 6: Final answer
    x = 678,366,921,859.18

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Double scale
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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.