Home / 12,158,824,679.67-16,770,528,162.78-11,158,472,618.22

Finding the Fourth Proportional to 12,158,824,679.67, 16,770,528,162.78 and 11,158,472,618.22

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Solution

The fourth proportional to 12,158,824,679.67, 16,770,528,162.78 and 11,158,472,618.22 is: 15,390,753,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,824,679.67 : 16,770,528,162.78 = 11,158,472,618.22 : x
  2. Step 2: Convert to fraction form
    12,158,824,679.67/16,770,528,162.78 = 11,158,472,618.22/x
  3. Step 3: Cross multiply
    12,158,824,679.67x = 16,770,528,162.78 × 11,158,472,618.22
  4. Step 4: Simplify right side
    12,158,824,679.67x = 187,133,479,297,467,973,632
  5. Step 5: Solve for x
    x = 187,133,479,297,467,973,632/12,158,824,679.67
  6. Step 6: Final answer
    x = 15,390,753,977.26

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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.