Home / 436,995,566.40-655,493,349.60-113,879,438.40

Finding the Fourth Proportional to 436,995,566.40, 655,493,349.60 and 113,879,438.40

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Solution

The fourth proportional to 436,995,566.40, 655,493,349.60 and 113,879,438.40 is: 170,819,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,995,566.40 : 655,493,349.60 = 113,879,438.40 : x
  2. Step 2: Convert to fraction form
    436,995,566.40/655,493,349.60 = 113,879,438.40/x
  3. Step 3: Cross multiply
    436,995,566.40x = 655,493,349.60 × 113,879,438.40
  4. Step 4: Simplify right side
    436,995,566.40x = 74,647,214,527,382,864
  5. Step 5: Solve for x
    x = 74,647,214,527,382,864/436,995,566.40
  6. Step 6: Final answer
    x = 170,819,157.60

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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.