Home / 2,120,571,713.82-3,179,793,360-1,235,543,087.40

Finding the Fourth Proportional to 2,120,571,713.82, 3,179,793,360 and 1,235,543,087.40

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Solution

The fourth proportional to 2,120,571,713.82, 3,179,793,360 and 1,235,543,087.40 is: 1,852,694,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,571,713.82 : 3,179,793,360 = 1,235,543,087.40 : x
  2. Step 2: Convert to fraction form
    2,120,571,713.82/3,179,793,360 = 1,235,543,087.40/x
  3. Step 3: Cross multiply
    2,120,571,713.82x = 3,179,793,360 × 1,235,543,087.40
  4. Step 4: Simplify right side
    2,120,571,713.82x = 3,928,771,705,308,420,096
  5. Step 5: Solve for x
    x = 3,928,771,705,308,420,096/2,120,571,713.82
  6. Step 6: Final answer
    x = 1,852,694,572.74

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1.5x scale

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.