Home / 903,108,666,195.60-1,246,322,847,336.90-491,557,261,669.40

Finding the Fourth Proportional to 903,108,666,195.60, 1,246,322,847,336.90 and 491,557,261,669.40

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Solution

The fourth proportional to 903,108,666,195.60, 1,246,322,847,336.90 and 491,557,261,669.40 is: 678,366,921,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,108,666,195.60 : 1,246,322,847,336.90 = 491,557,261,669.40 : x
  2. Step 2: Convert to fraction form
    903,108,666,195.60/1,246,322,847,336.90 = 491,557,261,669.40/x
  3. Step 3: Cross multiply
    903,108,666,195.60x = 1,246,322,847,336.90 × 491,557,261,669.40
  4. Step 4: Simplify right side
    903,108,666,195.60x = 612,639,045,992,936,175,042,560
  5. Step 5: Solve for x
    x = 612,639,045,992,936,175,042,560/903,108,666,195.60
  6. Step 6: Final answer
    x = 678,366,921,860.82

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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.