Home / 13,630,488,917.40-20,431,624,601.70-7,406,503,867.80

Finding the Fourth Proportional to 13,630,488,917.40, 20,431,624,601.70 and 7,406,503,867.80

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Solution

The fourth proportional to 13,630,488,917.40, 20,431,624,601.70 and 7,406,503,867.80 is: 11,102,089,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,488,917.40 : 20,431,624,601.70 = 7,406,503,867.80 : x
  2. Step 2: Convert to fraction form
    13,630,488,917.40/20,431,624,601.70 = 7,406,503,867.80/x
  3. Step 3: Cross multiply
    13,630,488,917.40x = 20,431,624,601.70 × 7,406,503,867.80
  4. Step 4: Simplify right side
    13,630,488,917.40x = 151,326,906,637,928,693,760
  5. Step 5: Solve for x
    x = 151,326,906,637,928,693,760/13,630,488,917.40
  6. Step 6: Final answer
    x = 11,102,089,408.16

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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.