Home / 13,234,314,965.40-19,851,472,448.10-11,787,945,139.80

Finding the Fourth Proportional to 13,234,314,965.40, 19,851,472,448.10 and 11,787,945,139.80

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Solution

The fourth proportional to 13,234,314,965.40, 19,851,472,448.10 and 11,787,945,139.80 is: 17,681,917,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234,314,965.40 : 19,851,472,448.10 = 11,787,945,139.80 : x
  2. Step 2: Convert to fraction form
    13,234,314,965.40/19,851,472,448.10 = 11,787,945,139.80/x
  3. Step 3: Cross multiply
    13,234,314,965.40x = 19,851,472,448.10 × 11,787,945,139.80
  4. Step 4: Simplify right side
    13,234,314,965.40x = 234,008,068,162,453,962,752
  5. Step 5: Solve for x
    x = 234,008,068,162,453,962,752/13,234,314,965.40
  6. Step 6: Final answer
    x = 17,681,917,709.70

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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.