Home / 746,497,039.20-1,119,745,558.80-261,759,861.60

Finding the Fourth Proportional to 746,497,039.20, 1,119,745,558.80 and 261,759,861.60

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Solution

The fourth proportional to 746,497,039.20, 1,119,745,558.80 and 261,759,861.60 is: 392,639,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,497,039.20 : 1,119,745,558.80 = 261,759,861.60 : x
  2. Step 2: Convert to fraction form
    746,497,039.20/1,119,745,558.80 = 261,759,861.60/x
  3. Step 3: Cross multiply
    746,497,039.20x = 1,119,745,558.80 × 261,759,861.60
  4. Step 4: Simplify right side
    746,497,039.20x = 293,104,442,498,702,656
  5. Step 5: Solve for x
    x = 293,104,442,498,702,656/746,497,039.20
  6. Step 6: Final answer
    x = 392,639,792.40

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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.