Home / 2,398,139,532.36-3,308,419,171.80-1,605,440,906.64

Finding the Fourth Proportional to 2,398,139,532.36, 3,308,419,171.80 and 1,605,440,906.64

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Solution

The fourth proportional to 2,398,139,532.36, 3,308,419,171.80 and 1,605,440,906.64 is: 2,214,830,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,139,532.36 : 3,308,419,171.80 = 1,605,440,906.64 : x
  2. Step 2: Convert to fraction form
    2,398,139,532.36/3,308,419,171.80 = 1,605,440,906.64/x
  3. Step 3: Cross multiply
    2,398,139,532.36x = 3,308,419,171.80 × 1,605,440,906.64
  4. Step 4: Simplify right side
    2,398,139,532.36x = 5,311,471,474,719,750,144
  5. Step 5: Solve for x
    x = 5,311,471,474,719,750,144/2,398,139,532.36
  6. Step 6: Final answer
    x = 2,214,830,039.31

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1.5x scale

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.