Home / 1,431,360,211.83-2,146,801,147.42-396,325,720.23

Finding the Fourth Proportional to 1,431,360,211.83, 2,146,801,147.42 and 396,325,720.23

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Solution

The fourth proportional to 1,431,360,211.83, 2,146,801,147.42 and 396,325,720.23 is: 594,422,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,360,211.83 : 2,146,801,147.42 = 396,325,720.23 : x
  2. Step 2: Convert to fraction form
    1,431,360,211.83/2,146,801,147.42 = 396,325,720.23/x
  3. Step 3: Cross multiply
    1,431,360,211.83x = 2,146,801,147.42 × 396,325,720.23
  4. Step 4: Simplify right side
    1,431,360,211.83x = 850,832,510,941,821,952
  5. Step 5: Solve for x
    x = 850,832,510,941,821,952/1,431,360,211.83
  6. Step 6: Final answer
    x = 594,422,357.08

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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.