Home / 15,179,741,742.28-20,946,899,860.50-9,238,637,619.40

Finding the Fourth Proportional to 15,179,741,742.28, 20,946,899,860.50 and 9,238,637,619.40

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Solution

The fourth proportional to 15,179,741,742.28, 20,946,899,860.50 and 9,238,637,619.40 is: 12,748,623,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179,741,742.28 : 20,946,899,860.50 = 9,238,637,619.40 : x
  2. Step 2: Convert to fraction form
    15,179,741,742.28/20,946,899,860.50 = 9,238,637,619.40/x
  3. Step 3: Cross multiply
    15,179,741,742.28x = 20,946,899,860.50 × 9,238,637,619.40
  4. Step 4: Simplify right side
    15,179,741,742.28x = 193,520,817,061,019,910,144
  5. Step 5: Solve for x
    x = 193,520,817,061,019,910,144/15,179,741,742.28
  6. Step 6: Final answer
    x = 12,748,623,813.67

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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.