Home / 2,125,765,812.60-3,188,648,718.90-2,112,851,796.30

Finding the Fourth Proportional to 2,125,765,812.60, 3,188,648,718.90 and 2,112,851,796.30

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Solution

The fourth proportional to 2,125,765,812.60, 3,188,648,718.90 and 2,112,851,796.30 is: 3,169,277,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,765,812.60 : 3,188,648,718.90 = 2,112,851,796.30 : x
  2. Step 2: Convert to fraction form
    2,125,765,812.60/3,188,648,718.90 = 2,112,851,796.30/x
  3. Step 3: Cross multiply
    2,125,765,812.60x = 3,188,648,718.90 × 2,112,851,796.30
  4. Step 4: Simplify right side
    2,125,765,812.60x = 6,737,142,173,497,559,040
  5. Step 5: Solve for x
    x = 6,737,142,173,497,559,040/2,125,765,812.60
  6. Step 6: Final answer
    x = 3,169,277,694.45

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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.