Home / 10,006,507,203.23-13,809,006,163.96-5,428,771,385.43

Finding the Fourth Proportional to 10,006,507,203.23, 13,809,006,163.96 and 5,428,771,385.43

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Solution

The fourth proportional to 10,006,507,203.23, 13,809,006,163.96 and 5,428,771,385.43 is: 7,491,718,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006,507,203.23 : 13,809,006,163.96 = 5,428,771,385.43 : x
  2. Step 2: Convert to fraction form
    10,006,507,203.23/13,809,006,163.96 = 5,428,771,385.43/x
  3. Step 3: Cross multiply
    10,006,507,203.23x = 13,809,006,163.96 × 5,428,771,385.43
  4. Step 4: Simplify right side
    10,006,507,203.23x = 74,965,937,524,146,339,840
  5. Step 5: Solve for x
    x = 74,965,937,524,146,339,840/10,006,507,203.23
  6. Step 6: Final answer
    x = 7,491,718,738.78

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Double scale
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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.