Home / 903,108,666,195-1,246,322,847,336.20-491,557,261,668.90

Finding the Fourth Proportional to 903,108,666,195, 1,246,322,847,336.20 and 491,557,261,668.90

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Solution

The fourth proportional to 903,108,666,195, 1,246,322,847,336.20 and 491,557,261,668.90 is: 678,366,921,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,108,666,195 : 1,246,322,847,336.20 = 491,557,261,668.90 : x
  2. Step 2: Convert to fraction form
    903,108,666,195/1,246,322,847,336.20 = 491,557,261,668.90/x
  3. Step 3: Cross multiply
    903,108,666,195x = 1,246,322,847,336.20 × 491,557,261,668.90
  4. Step 4: Simplify right side
    903,108,666,195x = 612,639,045,991,969,002,094,592
  5. Step 5: Solve for x
    x = 612,639,045,991,969,002,094,592/903,108,666,195
  6. Step 6: Final answer
    x = 678,366,921,860.20

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Double scale
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1.5x scale

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.