Home / 682,415,999.40-1,023,325,400.70-273,336,191.40

Finding the Fourth Proportional to 682,415,999.40, 1,023,325,400.70 and 273,336,191.40

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Solution

The fourth proportional to 682,415,999.40, 1,023,325,400.70 and 273,336,191.40 is: 409,884,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,415,999.40 : 1,023,325,400.70 = 273,336,191.40 : x
  2. Step 2: Convert to fraction form
    682,415,999.40/1,023,325,400.70 = 273,336,191.40/x
  3. Step 3: Cross multiply
    682,415,999.40x = 1,023,325,400.70 × 273,336,191.40
  4. Step 4: Simplify right side
    682,415,999.40x = 279,711,867,590,216,896
  5. Step 5: Solve for x
    x = 279,711,867,590,216,896/682,415,999.40
  6. Step 6: Final answer
    x = 409,884,685.93

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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.