Home / 11,454,946,476.78-15,809,202,287.47-6,938,693,016.67

Finding the Fourth Proportional to 11,454,946,476.78, 15,809,202,287.47 and 6,938,693,016.67

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Solution

The fourth proportional to 11,454,946,476.78, 15,809,202,287.47 and 6,938,693,016.67 is: 9,576,229,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454,946,476.78 : 15,809,202,287.47 = 6,938,693,016.67 : x
  2. Step 2: Convert to fraction form
    11,454,946,476.78/15,809,202,287.47 = 6,938,693,016.67/x
  3. Step 3: Cross multiply
    11,454,946,476.78x = 15,809,202,287.47 × 6,938,693,016.67
  4. Step 4: Simplify right side
    11,454,946,476.78x = 109,695,201,511,222,132,736
  5. Step 5: Solve for x
    x = 109,695,201,511,222,132,736/11,454,946,476.78
  6. Step 6: Final answer
    x = 9,576,229,948.66

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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.