Home / 3,745,199,126.40-5,168,333,648.61-2,028,505,574.78

Finding the Fourth Proportional to 3,745,199,126.40, 5,168,333,648.61 and 2,028,505,574.78

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Solution

The fourth proportional to 3,745,199,126.40, 5,168,333,648.61 and 2,028,505,574.78 is: 2,799,315,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,199,126.40 : 5,168,333,648.61 = 2,028,505,574.78 : x
  2. Step 2: Convert to fraction form
    3,745,199,126.40/5,168,333,648.61 = 2,028,505,574.78/x
  3. Step 3: Cross multiply
    3,745,199,126.40x = 5,168,333,648.61 × 2,028,505,574.78
  4. Step 4: Simplify right side
    3,745,199,126.40x = 10,483,993,618,521,722,880
  5. Step 5: Solve for x
    x = 10,483,993,618,521,722,880/3,745,199,126.40
  6. Step 6: Final answer
    x = 2,799,315,407.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.