Home / 20,693,217,977.76-28,556,653,320-11,177,773,930.98

Finding the Fourth Proportional to 20,693,217,977.76, 28,556,653,320 and 11,177,773,930.98

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Solution

The fourth proportional to 20,693,217,977.76, 28,556,653,320 and 11,177,773,930.98 is: 15,425,334,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,217,977.76 : 28,556,653,320 = 11,177,773,930.98 : x
  2. Step 2: Convert to fraction form
    20,693,217,977.76/28,556,653,320 = 11,177,773,930.98/x
  3. Step 3: Cross multiply
    20,693,217,977.76x = 28,556,653,320 × 11,177,773,930.98
  4. Step 4: Simplify right side
    20,693,217,977.76x = 319,199,815,036,329,459,712
  5. Step 5: Solve for x
    x = 319,199,815,036,329,459,712/20,693,217,977.76
  6. Step 6: Final answer
    x = 15,425,334,782.60

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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.