Home / 20,370,860,585.82-28,111,788,960.05-11,338,424,851.09

Finding the Fourth Proportional to 20,370,860,585.82, 28,111,788,960.05 and 11,338,424,851.09

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Solution

The fourth proportional to 20,370,860,585.82, 28,111,788,960.05 and 11,338,424,851.09 is: 15,647,027,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370,860,585.82 : 28,111,788,960.05 = 11,338,424,851.09 : x
  2. Step 2: Convert to fraction form
    20,370,860,585.82/28,111,788,960.05 = 11,338,424,851.09/x
  3. Step 3: Cross multiply
    20,370,860,585.82x = 28,111,788,960.05 × 11,338,424,851.09
  4. Step 4: Simplify right side
    20,370,860,585.82x = 318,743,406,553,031,114,752
  5. Step 5: Solve for x
    x = 318,743,406,553,031,114,752/20,370,860,585.82
  6. Step 6: Final answer
    x = 15,647,027,046.81

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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.