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Finding the Fourth Proportional to 495,392,671.80, 743,089,007.70 and 150,345,745.20

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Solution

The fourth proportional to 495,392,671.80, 743,089,007.70 and 150,345,745.20 is: 225,518,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,392,671.80 : 743,089,007.70 = 150,345,745.20 : x
  2. Step 2: Convert to fraction form
    495,392,671.80/743,089,007.70 = 150,345,745.20/x
  3. Step 3: Cross multiply
    495,392,671.80x = 743,089,007.70 × 150,345,745.20
  4. Step 4: Simplify right side
    495,392,671.80x = 111,720,270,612,585,040
  5. Step 5: Solve for x
    x = 111,720,270,612,585,040/495,392,671.80
  6. Step 6: Final answer
    x = 225,518,617.80

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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.