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Finding the Fourth Proportional to 599,717,755.60, 898,736,825.40 and 477,105,787.60

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Solution

The fourth proportional to 599,717,755.60, 898,736,825.40 and 477,105,787.60 is: 714,990,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,717,755.60 : 898,736,825.40 = 477,105,787.60 : x
  2. Step 2: Convert to fraction form
    599,717,755.60/898,736,825.40 = 477,105,787.60/x
  3. Step 3: Cross multiply
    599,717,755.60x = 898,736,825.40 × 477,105,787.60
  4. Step 4: Simplify right side
    599,717,755.60x = 428,792,540,927,590,720
  5. Step 5: Solve for x
    x = 428,792,540,927,590,720/599,717,755.60
  6. Step 6: Final answer
    x = 714,990,571.69

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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.