Home / 13,706,483,857.56-18,910,426,300.53-8,278,991,475.53

Finding the Fourth Proportional to 13,706,483,857.56, 18,910,426,300.53 and 8,278,991,475.53

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Solution

The fourth proportional to 13,706,483,857.56, 18,910,426,300.53 and 8,278,991,475.53 is: 11,422,277,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,483,857.56 : 18,910,426,300.53 = 8,278,991,475.53 : x
  2. Step 2: Convert to fraction form
    13,706,483,857.56/18,910,426,300.53 = 8,278,991,475.53/x
  3. Step 3: Cross multiply
    13,706,483,857.56x = 18,910,426,300.53 × 8,278,991,475.53
  4. Step 4: Simplify right side
    13,706,483,857.56x = 156,559,258,140,631,629,824
  5. Step 5: Solve for x
    x = 156,559,258,140,631,629,824/13,706,483,857.56
  6. Step 6: Final answer
    x = 11,422,277,206.00

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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.