Home / 858,033,015.40-1,287,049,523.10-236,247,045.40

Finding the Fourth Proportional to 858,033,015.40, 1,287,049,523.10 and 236,247,045.40

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Solution

The fourth proportional to 858,033,015.40, 1,287,049,523.10 and 236,247,045.40 is: 354,370,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,033,015.40 : 1,287,049,523.10 = 236,247,045.40 : x
  2. Step 2: Convert to fraction form
    858,033,015.40/1,287,049,523.10 = 236,247,045.40/x
  3. Step 3: Cross multiply
    858,033,015.40x = 1,287,049,523.10 × 236,247,045.40
  4. Step 4: Simplify right side
    858,033,015.40x = 304,061,647,115,854,016
  5. Step 5: Solve for x
    x = 304,061,647,115,854,016/858,033,015.40
  6. Step 6: Final answer
    x = 354,370,568.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.