Home / 11,722,752,021.20-17,584,128,031.80-7,078,949,704.40

Finding the Fourth Proportional to 11,722,752,021.20, 17,584,128,031.80 and 7,078,949,704.40

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Solution

The fourth proportional to 11,722,752,021.20, 17,584,128,031.80 and 7,078,949,704.40 is: 10,618,424,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722,752,021.20 : 17,584,128,031.80 = 7,078,949,704.40 : x
  2. Step 2: Convert to fraction form
    11,722,752,021.20/17,584,128,031.80 = 7,078,949,704.40/x
  3. Step 3: Cross multiply
    11,722,752,021.20x = 17,584,128,031.80 × 7,078,949,704.40
  4. Step 4: Simplify right side
    11,722,752,021.20x = 124,477,157,932,842,352,640
  5. Step 5: Solve for x
    x = 124,477,157,932,842,352,640/11,722,752,021.20
  6. Step 6: Final answer
    x = 10,618,424,556.60

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1.5x scale

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.