Home / 30,541,837,133.08-42,147,074,632.89-17,682,019,402.42

Finding the Fourth Proportional to 30,541,837,133.08, 42,147,074,632.89 and 17,682,019,402.42

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Solution

The fourth proportional to 30,541,837,133.08, 42,147,074,632.89 and 17,682,019,402.42 is: 24,400,804,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541,837,133.08 : 42,147,074,632.89 = 17,682,019,402.42 : x
  2. Step 2: Convert to fraction form
    30,541,837,133.08/42,147,074,632.89 = 17,682,019,402.42/x
  3. Step 3: Cross multiply
    30,541,837,133.08x = 42,147,074,632.89 × 17,682,019,402.42
  4. Step 4: Simplify right side
    30,541,837,133.08x = 745,245,391,414,004,678,656
  5. Step 5: Solve for x
    x = 745,245,391,414,004,678,656/30,541,837,133.08
  6. Step 6: Final answer
    x = 24,400,804,318.57

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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.