Home / 885,774,664.30-1,222,345,354.39-489,289,120.44

Finding the Fourth Proportional to 885,774,664.30, 1,222,345,354.39 and 489,289,120.44

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Solution

The fourth proportional to 885,774,664.30, 1,222,345,354.39 and 489,289,120.44 is: 675,205,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,774,664.30 : 1,222,345,354.39 = 489,289,120.44 : x
  2. Step 2: Convert to fraction form
    885,774,664.30/1,222,345,354.39 = 489,289,120.44/x
  3. Step 3: Cross multiply
    885,774,664.30x = 1,222,345,354.39 × 489,289,120.44
  4. Step 4: Simplify right side
    885,774,664.30x = 598,080,283,323,403,264
  5. Step 5: Solve for x
    x = 598,080,283,323,403,264/885,774,664.30
  6. Step 6: Final answer
    x = 675,205,904.42

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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.