Home / 4,752,285,200.40-7,130,978,717.40-1,992,193,222.80

Finding the Fourth Proportional to 4,752,285,200.40, 7,130,978,717.40 and 1,992,193,222.80

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Solution

The fourth proportional to 4,752,285,200.40, 7,130,978,717.40 and 1,992,193,222.80 is: 2,989,359,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,285,200.40 : 7,130,978,717.40 = 1,992,193,222.80 : x
  2. Step 2: Convert to fraction form
    4,752,285,200.40/7,130,978,717.40 = 1,992,193,222.80/x
  3. Step 3: Cross multiply
    4,752,285,200.40x = 7,130,978,717.40 × 1,992,193,222.80
  4. Step 4: Simplify right side
    4,752,285,200.40x = 14,206,287,472,735,315,968
  5. Step 5: Solve for x
    x = 14,206,287,472,735,315,968/4,752,285,200.40
  6. Step 6: Final answer
    x = 2,989,359,197.45

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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.