Home / 3,984,905,081,780.60-5,499,174,315,997.30-2,157,942,168,450

Finding the Fourth Proportional to 3,984,905,081,780.60, 5,499,174,315,997.30 and 2,157,942,168,450

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Solution

The fourth proportional to 3,984,905,081,780.60, 5,499,174,315,997.30 and 2,157,942,168,450 is: 2,977,963,064,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,905,081,780.60 : 5,499,174,315,997.30 = 2,157,942,168,450 : x
  2. Step 2: Convert to fraction form
    3,984,905,081,780.60/5,499,174,315,997.30 = 2,157,942,168,450/x
  3. Step 3: Cross multiply
    3,984,905,081,780.60x = 5,499,174,315,997.30 × 2,157,942,168,450
  4. Step 4: Simplify right side
    3,984,905,081,780.60x = 11,866,900,148,147,758,643,019,776
  5. Step 5: Solve for x
    x = 11,866,900,148,147,758,643,019,776/3,984,905,081,780.60
  6. Step 6: Final answer
    x = 2,977,963,064,265.81

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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.