Home / 291,287,757.60-436,931,636.40-262,062,439.20

Finding the Fourth Proportional to 291,287,757.60, 436,931,636.40 and 262,062,439.20

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Solution

The fourth proportional to 291,287,757.60, 436,931,636.40 and 262,062,439.20 is: 393,093,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,287,757.60 : 436,931,636.40 = 262,062,439.20 : x
  2. Step 2: Convert to fraction form
    291,287,757.60/436,931,636.40 = 262,062,439.20/x
  3. Step 3: Cross multiply
    291,287,757.60x = 436,931,636.40 × 262,062,439.20
  4. Step 4: Simplify right side
    291,287,757.60x = 114,503,370,398,631,488
  5. Step 5: Solve for x
    x = 114,503,370,398,631,488/291,287,757.60
  6. Step 6: Final answer
    x = 393,093,658.80

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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.