Home / 797,145,664.40-1,195,718,496.60-489,440,013.20

Finding the Fourth Proportional to 797,145,664.40, 1,195,718,496.60 and 489,440,013.20

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Solution

The fourth proportional to 797,145,664.40, 1,195,718,496.60 and 489,440,013.20 is: 734,160,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,145,664.40 : 1,195,718,496.60 = 489,440,013.20 : x
  2. Step 2: Convert to fraction form
    797,145,664.40/1,195,718,496.60 = 489,440,013.20/x
  3. Step 3: Cross multiply
    797,145,664.40x = 1,195,718,496.60 × 489,440,013.20
  4. Step 4: Simplify right side
    797,145,664.40x = 585,232,476,759,388,032
  5. Step 5: Solve for x
    x = 585,232,476,759,388,032/797,145,664.40
  6. Step 6: Final answer
    x = 734,160,019.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.