Home / 291,022,009.80-436,533,014.70-273,803,321.40

Finding the Fourth Proportional to 291,022,009.80, 436,533,014.70 and 273,803,321.40

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Solution

The fourth proportional to 291,022,009.80, 436,533,014.70 and 273,803,321.40 is: 410,704,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,022,009.80 : 436,533,014.70 = 273,803,321.40 : x
  2. Step 2: Convert to fraction form
    291,022,009.80/436,533,014.70 = 273,803,321.40/x
  3. Step 3: Cross multiply
    291,022,009.80x = 436,533,014.70 × 273,803,321.40
  4. Step 4: Simplify right side
    291,022,009.80x = 119,524,189,325,615,008
  5. Step 5: Solve for x
    x = 119,524,189,325,615,008/291,022,009.80
  6. Step 6: Final answer
    x = 410,704,982.10

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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.