Home / 291,288,749.60-436,933,124.40-262,063,431.20

Finding the Fourth Proportional to 291,288,749.60, 436,933,124.40 and 262,063,431.20

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Solution

The fourth proportional to 291,288,749.60, 436,933,124.40 and 262,063,431.20 is: 393,095,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,288,749.60 : 436,933,124.40 = 262,063,431.20 : x
  2. Step 2: Convert to fraction form
    291,288,749.60/436,933,124.40 = 262,063,431.20/x
  3. Step 3: Cross multiply
    291,288,749.60x = 436,933,124.40 × 262,063,431.20
  4. Step 4: Simplify right side
    291,288,749.60x = 114,504,193,785,200,432
  5. Step 5: Solve for x
    x = 114,504,193,785,200,432/291,288,749.60
  6. Step 6: Final answer
    x = 393,095,146.80

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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.