Home / 30,541,837,132.08-42,147,074,631.51-17,682,019,401.42

Finding the Fourth Proportional to 30,541,837,132.08, 42,147,074,631.51 and 17,682,019,401.42

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Solution

The fourth proportional to 30,541,837,132.08, 42,147,074,631.51 and 17,682,019,401.42 is: 24,400,804,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541,837,132.08 : 42,147,074,631.51 = 17,682,019,401.42 : x
  2. Step 2: Convert to fraction form
    30,541,837,132.08/42,147,074,631.51 = 17,682,019,401.42/x
  3. Step 3: Cross multiply
    30,541,837,132.08x = 42,147,074,631.51 × 17,682,019,401.42
  4. Step 4: Simplify right side
    30,541,837,132.08x = 745,245,391,347,456,540,672
  5. Step 5: Solve for x
    x = 745,245,391,347,456,540,672/30,541,837,132.08
  6. Step 6: Final answer
    x = 24,400,804,317.19

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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.