Home / 304,585,387,140.96-420,331,643,092.38-167,423,188,676.10

Finding the Fourth Proportional to 304,585,387,140.96, 420,331,643,092.38 and 167,423,188,676.10

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Solution

The fourth proportional to 304,585,387,140.96, 420,331,643,092.38 and 167,423,188,676.10 is: 231,046,093,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,585,387,140.96 : 420,331,643,092.38 = 167,423,188,676.10 : x
  2. Step 2: Convert to fraction form
    304,585,387,140.96/420,331,643,092.38 = 167,423,188,676.10/x
  3. Step 3: Cross multiply
    304,585,387,140.96x = 420,331,643,092.38 × 167,423,188,676.10
  4. Step 4: Simplify right side
    304,585,387,140.96x = 70,373,263,987,990,664,839,168
  5. Step 5: Solve for x
    x = 70,373,263,987,990,664,839,168/304,585,387,140.96
  6. Step 6: Final answer
    x = 231,046,093,998.67

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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.