Home / 656,019,143.60-984,044,461.80-195,972,321.20

Finding the Fourth Proportional to 656,019,143.60, 984,044,461.80 and 195,972,321.20

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Solution

The fourth proportional to 656,019,143.60, 984,044,461.80 and 195,972,321.20 is: 293,963,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,019,143.60 : 984,044,461.80 = 195,972,321.20 : x
  2. Step 2: Convert to fraction form
    656,019,143.60/984,044,461.80 = 195,972,321.20/x
  3. Step 3: Cross multiply
    656,019,143.60x = 984,044,461.80 × 195,972,321.20
  4. Step 4: Simplify right side
    656,019,143.60x = 192,845,477,342,950,720
  5. Step 5: Solve for x
    x = 192,845,477,342,950,720/656,019,143.60
  6. Step 6: Final answer
    x = 293,963,185.72

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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.