Home / 14,640,963,725.41-20,203,118,143.55-8,211,044,741.56

Finding the Fourth Proportional to 14,640,963,725.41, 20,203,118,143.55 and 8,211,044,741.56

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Solution

The fourth proportional to 14,640,963,725.41, 20,203,118,143.55 and 8,211,044,741.56 is: 11,330,449,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640,963,725.41 : 20,203,118,143.55 = 8,211,044,741.56 : x
  2. Step 2: Convert to fraction form
    14,640,963,725.41/20,203,118,143.55 = 8,211,044,741.56/x
  3. Step 3: Cross multiply
    14,640,963,725.41x = 20,203,118,143.55 × 8,211,044,741.56
  4. Step 4: Simplify right side
    14,640,963,725.41x = 165,888,706,995,652,919,296
  5. Step 5: Solve for x
    x = 165,888,706,995,652,919,296/14,640,963,725.41
  6. Step 6: Final answer
    x = 11,330,449,969.48

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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.