Home / 879,684,481.80-1,320,270,740.10-362,486,100.60

Finding the Fourth Proportional to 879,684,481.80, 1,320,270,740.10 and 362,486,100.60

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Solution

The fourth proportional to 879,684,481.80, 1,320,270,740.10 and 362,486,100.60 is: 544,035,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,684,481.80 : 1,320,270,740.10 = 362,486,100.60 : x
  2. Step 2: Convert to fraction form
    879,684,481.80/1,320,270,740.10 = 362,486,100.60/x
  3. Step 3: Cross multiply
    879,684,481.80x = 1,320,270,740.10 × 362,486,100.60
  4. Step 4: Simplify right side
    879,684,481.80x = 478,579,792,315,125,056
  5. Step 5: Solve for x
    x = 478,579,792,315,125,056/879,684,481.80
  6. Step 6: Final answer
    x = 544,035,733.51

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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.