Home / 20,370,860,542.82-28,111,788,900.93-11,338,424,808.08

Finding the Fourth Proportional to 20,370,860,542.82, 28,111,788,900.93 and 11,338,424,808.08

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Solution

The fourth proportional to 20,370,860,542.82, 28,111,788,900.93 and 11,338,424,808.08 is: 15,647,026,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370,860,542.82 : 28,111,788,900.93 = 11,338,424,808.08 : x
  2. Step 2: Convert to fraction form
    20,370,860,542.82/28,111,788,900.93 = 11,338,424,808.08/x
  3. Step 3: Cross multiply
    20,370,860,542.82x = 28,111,788,900.93 × 11,338,424,808.08
  4. Step 4: Simplify right side
    20,370,860,542.82x = 318,743,404,673,672,151,040
  5. Step 5: Solve for x
    x = 318,743,404,673,672,151,040/20,370,860,542.82
  6. Step 6: Final answer
    x = 15,647,026,987.58

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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.