Home / 264,345,762.40-396,518,643.60-203,879,586.40

Finding the Fourth Proportional to 264,345,762.40, 396,518,643.60 and 203,879,586.40

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Solution

The fourth proportional to 264,345,762.40, 396,518,643.60 and 203,879,586.40 is: 305,819,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,345,762.40 : 396,518,643.60 = 203,879,586.40 : x
  2. Step 2: Convert to fraction form
    264,345,762.40/396,518,643.60 = 203,879,586.40/x
  3. Step 3: Cross multiply
    264,345,762.40x = 396,518,643.60 × 203,879,586.40
  4. Step 4: Simplify right side
    264,345,762.40x = 80,842,057,057,057,008
  5. Step 5: Solve for x
    x = 80,842,057,057,057,008/264,345,762.40
  6. Step 6: Final answer
    x = 305,819,379.60

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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.