Home / 291,288,743.10-436,933,114.65-262,063,424.70

Finding the Fourth Proportional to 291,288,743.10, 436,933,114.65 and 262,063,424.70

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Solution

The fourth proportional to 291,288,743.10, 436,933,114.65 and 262,063,424.70 is: 393,095,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,288,743.10 : 436,933,114.65 = 262,063,424.70 : x
  2. Step 2: Convert to fraction form
    291,288,743.10/436,933,114.65 = 262,063,424.70/x
  3. Step 3: Cross multiply
    291,288,743.10x = 436,933,114.65 × 262,063,424.70
  4. Step 4: Simplify right side
    291,288,743.10x = 114,504,188,390,016,736
  5. Step 5: Solve for x
    x = 114,504,188,390,016,736/291,288,743.10
  6. Step 6: Final answer
    x = 393,095,137.05

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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.