Home / 21,170,200,329.26-31,745,981,973.26-11,219,312,639.39

Finding the Fourth Proportional to 21,170,200,329.26, 31,745,981,973.26 and 11,219,312,639.39

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Solution

The fourth proportional to 21,170,200,329.26, 31,745,981,973.26 and 11,219,312,639.39 is: 16,824,030,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,170,200,329.26 : 31,745,981,973.26 = 11,219,312,639.39 : x
  2. Step 2: Convert to fraction form
    21,170,200,329.26/31,745,981,973.26 = 11,219,312,639.39/x
  3. Step 3: Cross multiply
    21,170,200,329.26x = 31,745,981,973.26 × 11,219,312,639.39
  4. Step 4: Simplify right side
    21,170,200,329.26x = 356,168,096,802,442,969,088
  5. Step 5: Solve for x
    x = 356,168,096,802,442,969,088/21,170,200,329.26
  6. Step 6: Final answer
    x = 16,824,030,536.46

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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.