Home / 12,389,504,713.89-18,571,023,856.92-7,066,155,876.27

Finding the Fourth Proportional to 12,389,504,713.89, 18,571,023,856.92 and 7,066,155,876.27

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Solution

The fourth proportional to 12,389,504,713.89, 18,571,023,856.92 and 7,066,155,876.27 is: 10,591,686,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389,504,713.89 : 18,571,023,856.92 = 7,066,155,876.27 : x
  2. Step 2: Convert to fraction form
    12,389,504,713.89/18,571,023,856.92 = 7,066,155,876.27/x
  3. Step 3: Cross multiply
    12,389,504,713.89x = 18,571,023,856.92 × 7,066,155,876.27
  4. Step 4: Simplify right side
    12,389,504,713.89x = 131,225,749,354,925,621,248
  5. Step 5: Solve for x
    x = 131,225,749,354,925,621,248/12,389,504,713.89
  6. Step 6: Final answer
    x = 10,591,686,462.48

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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.