Home / 289,609,525.70-434,414,288.55-265,800,968.90

Finding the Fourth Proportional to 289,609,525.70, 434,414,288.55 and 265,800,968.90

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Solution

The fourth proportional to 289,609,525.70, 434,414,288.55 and 265,800,968.90 is: 398,701,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,609,525.70 : 434,414,288.55 = 265,800,968.90 : x
  2. Step 2: Convert to fraction form
    289,609,525.70/434,414,288.55 = 265,800,968.90/x
  3. Step 3: Cross multiply
    289,609,525.70x = 434,414,288.55 × 265,800,968.90
  4. Step 4: Simplify right side
    289,609,525.70x = 115,467,738,800,594,176
  5. Step 5: Solve for x
    x = 115,467,738,800,594,176/289,609,525.70
  6. Step 6: Final answer
    x = 398,701,453.35

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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.