Home / 13,814,768,217.78-19,064,437,190.91-7,471,135,916.82

Finding the Fourth Proportional to 13,814,768,217.78, 19,064,437,190.91 and 7,471,135,916.82

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Solution

The fourth proportional to 13,814,768,217.78, 19,064,437,190.91 and 7,471,135,916.82 is: 10,310,198,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814,768,217.78 : 19,064,437,190.91 = 7,471,135,916.82 : x
  2. Step 2: Convert to fraction form
    13,814,768,217.78/19,064,437,190.91 = 7,471,135,916.82/x
  3. Step 3: Cross multiply
    13,814,768,217.78x = 19,064,437,190.91 × 7,471,135,916.82
  4. Step 4: Simplify right side
    13,814,768,217.78x = 142,433,001,430,966,681,600
  5. Step 5: Solve for x
    x = 142,433,001,430,966,681,600/13,814,768,217.78
  6. Step 6: Final answer
    x = 10,310,198,418.50

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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.