Home / 873,345,310,403.45-1,315,979,190,705-717,656,028,318.80

Finding the Fourth Proportional to 873,345,310,403.45, 1,315,979,190,705 and 717,656,028,318.80

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Solution

The fourth proportional to 873,345,310,403.45, 1,315,979,190,705 and 717,656,028,318.80 is: 1,081,382,573,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,345,310,403.45 : 1,315,979,190,705 = 717,656,028,318.80 : x
  2. Step 2: Convert to fraction form
    873,345,310,403.45/1,315,979,190,705 = 717,656,028,318.80/x
  3. Step 3: Cross multiply
    873,345,310,403.45x = 1,315,979,190,705 × 717,656,028,318.80
  4. Step 4: Simplify right side
    873,345,310,403.45x = 944,420,399,351,539,055,984,640
  5. Step 5: Solve for x
    x = 944,420,399,351,539,055,984,640/873,345,310,403.45
  6. Step 6: Final answer
    x = 1,081,382,573,538.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.