Home / 305,856,009.40-458,485,415.70-273,607,382.20

Finding the Fourth Proportional to 305,856,009.40, 458,485,415.70 and 273,607,382.20

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Solution

The fourth proportional to 305,856,009.40, 458,485,415.70 and 273,607,382.20 is: 410,143,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,856,009.40 : 458,485,415.70 = 273,607,382.20 : x
  2. Step 2: Convert to fraction form
    305,856,009.40/458,485,415.70 = 273,607,382.20/x
  3. Step 3: Cross multiply
    305,856,009.40x = 458,485,415.70 × 273,607,382.20
  4. Step 4: Simplify right side
    305,856,009.40x = 125,444,994,366,555,776
  5. Step 5: Solve for x
    x = 125,444,994,366,555,776/305,856,009.40
  6. Step 6: Final answer
    x = 410,143,958.30

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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.