Home / 280,410,884.04-420,240,342.64-218,237,269.44

Finding the Fourth Proportional to 280,410,884.04, 420,240,342.64 and 218,237,269.44

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Solution

The fourth proportional to 280,410,884.04, 420,240,342.64 and 218,237,269.44 is: 327,063,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,410,884.04 : 420,240,342.64 = 218,237,269.44 : x
  2. Step 2: Convert to fraction form
    280,410,884.04/420,240,342.64 = 218,237,269.44/x
  3. Step 3: Cross multiply
    280,410,884.04x = 420,240,342.64 × 218,237,269.44
  4. Step 4: Simplify right side
    280,410,884.04x = 91,712,104,886,283,600
  5. Step 5: Solve for x
    x = 91,712,104,886,283,600/280,410,884.04
  6. Step 6: Final answer
    x = 327,063,285.01

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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.