Home / 268,100,511.60-402,150,767.40-189,872,396.40

Finding the Fourth Proportional to 268,100,511.60, 402,150,767.40 and 189,872,396.40

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Solution

The fourth proportional to 268,100,511.60, 402,150,767.40 and 189,872,396.40 is: 284,808,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,100,511.60 : 402,150,767.40 = 189,872,396.40 : x
  2. Step 2: Convert to fraction form
    268,100,511.60/402,150,767.40 = 189,872,396.40/x
  3. Step 3: Cross multiply
    268,100,511.60x = 402,150,767.40 × 189,872,396.40
  4. Step 4: Simplify right side
    268,100,511.60x = 76,357,329,920,336,992
  5. Step 5: Solve for x
    x = 76,357,329,920,336,992/268,100,511.60
  6. Step 6: Final answer
    x = 284,808,594.60

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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.