Home / 1,196,809,635.75-1,795,030,391.61-399,140,776.36

Finding the Fourth Proportional to 1,196,809,635.75, 1,795,030,391.61 and 399,140,776.36

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Solution

The fourth proportional to 1,196,809,635.75, 1,795,030,391.61 and 399,140,776.36 is: 598,649,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,809,635.75 : 1,795,030,391.61 = 399,140,776.36 : x
  2. Step 2: Convert to fraction form
    1,196,809,635.75/1,795,030,391.61 = 399,140,776.36/x
  3. Step 3: Cross multiply
    1,196,809,635.75x = 1,795,030,391.61 × 399,140,776.36
  4. Step 4: Simplify right side
    1,196,809,635.75x = 716,469,824,088,048,256
  5. Step 5: Solve for x
    x = 716,469,824,088,048,256/1,196,809,635.75
  6. Step 6: Final answer
    x = 598,649,779.12

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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.