Home / 14,919,947,845.34-20,589,421,428.12-8,145,766,215.76

Finding the Fourth Proportional to 14,919,947,845.34, 20,589,421,428.12 and 8,145,766,215.76

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Solution

The fourth proportional to 14,919,947,845.34, 20,589,421,428.12 and 8,145,766,215.76 is: 11,241,099,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,947,845.34 : 20,589,421,428.12 = 8,145,766,215.76 : x
  2. Step 2: Convert to fraction form
    14,919,947,845.34/20,589,421,428.12 = 8,145,766,215.76/x
  3. Step 3: Cross multiply
    14,919,947,845.34x = 20,589,421,428.12 × 8,145,766,215.76
  4. Step 4: Simplify right side
    14,919,947,845.34x = 167,716,613,471,224,889,344
  5. Step 5: Solve for x
    x = 167,716,613,471,224,889,344/14,919,947,845.34
  6. Step 6: Final answer
    x = 11,241,099,178.75

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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.