Home / 12,612,768,486.54-17,397,419,198.54-8,089,482,941.34

Finding the Fourth Proportional to 12,612,768,486.54, 17,397,419,198.54 and 8,089,482,941.34

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Solution

The fourth proportional to 12,612,768,486.54, 17,397,419,198.54 and 8,089,482,941.34 is: 11,158,226,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,768,486.54 : 17,397,419,198.54 = 8,089,482,941.34 : x
  2. Step 2: Convert to fraction form
    12,612,768,486.54/17,397,419,198.54 = 8,089,482,941.34/x
  3. Step 3: Cross multiply
    12,612,768,486.54x = 17,397,419,198.54 × 8,089,482,941.34
  4. Step 4: Simplify right side
    12,612,768,486.54x = 140,736,125,829,930,352,640
  5. Step 5: Solve for x
    x = 140,736,125,829,930,352,640/12,612,768,486.54
  6. Step 6: Final answer
    x = 11,158,226,362.45

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Double scale
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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.