Home / 1,431,939,414.62-2,148,232,288.80-436,049,532.92

Finding the Fourth Proportional to 1,431,939,414.62, 2,148,232,288.80 and 436,049,532.92

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Solution

The fourth proportional to 1,431,939,414.62, 2,148,232,288.80 and 436,049,532.92 is: 654,172,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,939,414.62 : 2,148,232,288.80 = 436,049,532.92 : x
  2. Step 2: Convert to fraction form
    1,431,939,414.62/2,148,232,288.80 = 436,049,532.92/x
  3. Step 3: Cross multiply
    1,431,939,414.62x = 2,148,232,288.80 × 436,049,532.92
  4. Step 4: Simplify right side
    1,431,939,414.62x = 936,735,686,134,902,656
  5. Step 5: Solve for x
    x = 936,735,686,134,902,656/1,431,939,414.62
  6. Step 6: Final answer
    x = 654,172,709.10

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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.