Home / 12,754,604,956.40-19,131,907,434.60-8,591,508,738.80

Finding the Fourth Proportional to 12,754,604,956.40, 19,131,907,434.60 and 8,591,508,738.80

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Solution

The fourth proportional to 12,754,604,956.40, 19,131,907,434.60 and 8,591,508,738.80 is: 12,887,263,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,604,956.40 : 19,131,907,434.60 = 8,591,508,738.80 : x
  2. Step 2: Convert to fraction form
    12,754,604,956.40/19,131,907,434.60 = 8,591,508,738.80/x
  3. Step 3: Cross multiply
    12,754,604,956.40x = 19,131,907,434.60 × 8,591,508,738.80
  4. Step 4: Simplify right side
    12,754,604,956.40x = 164,371,949,914,278,559,744
  5. Step 5: Solve for x
    x = 164,371,949,914,278,559,744/12,754,604,956.40
  6. Step 6: Final answer
    x = 12,887,263,108.20

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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.