Home / 885,789,038.04-1,222,365,180.56-489,303,494.18

Finding the Fourth Proportional to 885,789,038.04, 1,222,365,180.56 and 489,303,494.18

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Solution

The fourth proportional to 885,789,038.04, 1,222,365,180.56 and 489,303,494.18 is: 675,225,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,789,038.04 : 1,222,365,180.56 = 489,303,494.18 : x
  2. Step 2: Convert to fraction form
    885,789,038.04/1,222,365,180.56 = 489,303,494.18/x
  3. Step 3: Cross multiply
    885,789,038.04x = 1,222,365,180.56 × 489,303,494.18
  4. Step 4: Simplify right side
    885,789,038.04x = 598,107,554,007,987,968
  5. Step 5: Solve for x
    x = 598,107,554,007,987,968/885,789,038.04
  6. Step 6: Final answer
    x = 675,225,734.71

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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.