Home / 1,819,190,729.70-2,728,786,094.55-1,628,722,275.30

Finding the Fourth Proportional to 1,819,190,729.70, 2,728,786,094.55 and 1,628,722,275.30

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Solution

The fourth proportional to 1,819,190,729.70, 2,728,786,094.55 and 1,628,722,275.30 is: 2,443,083,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,190,729.70 : 2,728,786,094.55 = 1,628,722,275.30 : x
  2. Step 2: Convert to fraction form
    1,819,190,729.70/2,728,786,094.55 = 1,628,722,275.30/x
  3. Step 3: Cross multiply
    1,819,190,729.70x = 2,728,786,094.55 × 1,628,722,275.30
  4. Step 4: Simplify right side
    1,819,190,729.70x = 4,444,434,696,722,477,056
  5. Step 5: Solve for x
    x = 4,444,434,696,722,477,056/1,819,190,729.70
  6. Step 6: Final answer
    x = 2,443,083,412.95

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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.