Home / 20,840,905,308.72-31,267,491,987.72-7,575,954,503.04

Finding the Fourth Proportional to 20,840,905,308.72, 31,267,491,987.72 and 7,575,954,503.04

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Solution

The fourth proportional to 20,840,905,308.72, 31,267,491,987.72 and 7,575,954,503.04 is: 11,366,161,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840,905,308.72 : 31,267,491,987.72 = 7,575,954,503.04 : x
  2. Step 2: Convert to fraction form
    20,840,905,308.72/31,267,491,987.72 = 7,575,954,503.04/x
  3. Step 3: Cross multiply
    20,840,905,308.72x = 31,267,491,987.72 × 7,575,954,503.04
  4. Step 4: Simplify right side
    20,840,905,308.72x = 236,881,096,723,134,447,616
  5. Step 5: Solve for x
    x = 236,881,096,723,134,447,616/20,840,905,308.72
  6. Step 6: Final answer
    x = 11,366,161,556.52

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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.