Home / 22,247,571,674.70-30,704,280,928.40-13,215,365,465.78

Finding the Fourth Proportional to 22,247,571,674.70, 30,704,280,928.40 and 13,215,365,465.78

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Solution

The fourth proportional to 22,247,571,674.70, 30,704,280,928.40 and 13,215,365,465.78 is: 18,238,767,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247,571,674.70 : 30,704,280,928.40 = 13,215,365,465.78 : x
  2. Step 2: Convert to fraction form
    22,247,571,674.70/30,704,280,928.40 = 13,215,365,465.78/x
  3. Step 3: Cross multiply
    22,247,571,674.70x = 30,704,280,928.40 × 13,215,365,465.78
  4. Step 4: Simplify right side
    22,247,571,674.70x = 405,768,293,832,565,260,288
  5. Step 5: Solve for x
    x = 405,768,293,832,565,260,288/22,247,571,674.70
  6. Step 6: Final answer
    x = 18,238,767,797.48

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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.