Home / 13,576,508,012.89-18,737,212,099.67-8,223,911,319.97

Finding the Fourth Proportional to 13,576,508,012.89, 18,737,212,099.67 and 8,223,911,319.97

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Solution

The fourth proportional to 13,576,508,012.89, 18,737,212,099.67 and 8,223,911,319.97 is: 11,349,985,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576,508,012.89 : 18,737,212,099.67 = 8,223,911,319.97 : x
  2. Step 2: Convert to fraction form
    13,576,508,012.89/18,737,212,099.67 = 8,223,911,319.97/x
  3. Step 3: Cross multiply
    13,576,508,012.89x = 18,737,212,099.67 × 8,223,911,319.97
  4. Step 4: Simplify right side
    13,576,508,012.89x = 154,093,170,691,154,968,576
  5. Step 5: Solve for x
    x = 154,093,170,691,154,968,576/13,576,508,012.89
  6. Step 6: Final answer
    x = 11,349,985,618.16

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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.