Home / 19,149,906,284.82-28,699,943,764.59-7,791,846,706.26

Finding the Fourth Proportional to 19,149,906,284.82, 28,699,943,764.59 and 7,791,846,706.26

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Solution

The fourth proportional to 19,149,906,284.82, 28,699,943,764.59 and 7,791,846,706.26 is: 11,677,632,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,906,284.82 : 28,699,943,764.59 = 7,791,846,706.26 : x
  2. Step 2: Convert to fraction form
    19,149,906,284.82/28,699,943,764.59 = 7,791,846,706.26/x
  3. Step 3: Cross multiply
    19,149,906,284.82x = 28,699,943,764.59 × 7,791,846,706.26
  4. Step 4: Simplify right side
    19,149,906,284.82x = 223,625,562,291,967,819,776
  5. Step 5: Solve for x
    x = 223,625,562,291,967,819,776/19,149,906,284.82
  6. Step 6: Final answer
    x = 11,677,632,201.74

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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.