Home / 885,774,664.80-1,222,345,355.08-489,289,120.94

Finding the Fourth Proportional to 885,774,664.80, 1,222,345,355.08 and 489,289,120.94

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Solution

The fourth proportional to 885,774,664.80, 1,222,345,355.08 and 489,289,120.94 is: 675,205,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,774,664.80 : 1,222,345,355.08 = 489,289,120.94 : x
  2. Step 2: Convert to fraction form
    885,774,664.80/1,222,345,355.08 = 489,289,120.94/x
  3. Step 3: Cross multiply
    885,774,664.80x = 1,222,345,355.08 × 489,289,120.94
  4. Step 4: Simplify right side
    885,774,664.80x = 598,080,284,272,185,344
  5. Step 5: Solve for x
    x = 598,080,284,272,185,344/885,774,664.80
  6. Step 6: Final answer
    x = 675,205,905.11

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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.