Home / 12,433,765,559.12-18,645,339,261.72-7,196,988,447.44

Finding the Fourth Proportional to 12,433,765,559.12, 18,645,339,261.72 and 7,196,988,447.44

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Solution

The fourth proportional to 12,433,765,559.12, 18,645,339,261.72 and 7,196,988,447.44 is: 10,792,409,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433,765,559.12 : 18,645,339,261.72 = 7,196,988,447.44 : x
  2. Step 2: Convert to fraction form
    12,433,765,559.12/18,645,339,261.72 = 7,196,988,447.44/x
  3. Step 3: Cross multiply
    12,433,765,559.12x = 18,645,339,261.72 × 7,196,988,447.44
  4. Step 4: Simplify right side
    12,433,765,559.12x = 134,190,291,265,198,292,992
  5. Step 5: Solve for x
    x = 134,190,291,265,198,292,992/12,433,765,559.12
  6. Step 6: Final answer
    x = 10,792,409,638.67

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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.