Home / 348,043,090.20-521,616,737.70-266,861,650.20

Finding the Fourth Proportional to 348,043,090.20, 521,616,737.70 and 266,861,650.20

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Solution

The fourth proportional to 348,043,090.20, 521,616,737.70 and 266,861,650.20 is: 399,949,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,043,090.20 : 521,616,737.70 = 266,861,650.20 : x
  2. Step 2: Convert to fraction form
    348,043,090.20/521,616,737.70 = 266,861,650.20/x
  3. Step 3: Cross multiply
    348,043,090.20x = 521,616,737.70 × 266,861,650.20
  4. Step 4: Simplify right side
    348,043,090.20x = 139,199,503,394,562,544
  5. Step 5: Solve for x
    x = 139,199,503,394,562,544/348,043,090.20
  6. Step 6: Final answer
    x = 399,949,050.32

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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.