Home / 2,620,485,132.99-3,932,679,915.72-1,922,780,187.60

Finding the Fourth Proportional to 2,620,485,132.99, 3,932,679,915.72 and 1,922,780,187.60

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Solution

The fourth proportional to 2,620,485,132.99, 3,932,679,915.72 and 1,922,780,187.60 is: 2,885,602,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,485,132.99 : 3,932,679,915.72 = 1,922,780,187.60 : x
  2. Step 2: Convert to fraction form
    2,620,485,132.99/3,932,679,915.72 = 1,922,780,187.60/x
  3. Step 3: Cross multiply
    2,620,485,132.99x = 3,932,679,915.72 × 1,922,780,187.60
  4. Step 4: Simplify right side
    2,620,485,132.99x = 7,561,679,026,118,852,608
  5. Step 5: Solve for x
    x = 7,561,679,026,118,852,608/2,620,485,132.99
  6. Step 6: Final answer
    x = 2,885,602,719.48

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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.