Home / 664,992,014.40-997,488,021.60-276,685,790.40

Finding the Fourth Proportional to 664,992,014.40, 997,488,021.60 and 276,685,790.40

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Solution

The fourth proportional to 664,992,014.40, 997,488,021.60 and 276,685,790.40 is: 415,028,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,992,014.40 : 997,488,021.60 = 276,685,790.40 : x
  2. Step 2: Convert to fraction form
    664,992,014.40/997,488,021.60 = 276,685,790.40/x
  3. Step 3: Cross multiply
    664,992,014.40x = 997,488,021.60 × 276,685,790.40
  4. Step 4: Simplify right side
    664,992,014.40x = 275,990,761,670,928,256
  5. Step 5: Solve for x
    x = 275,990,761,670,928,256/664,992,014.40
  6. Step 6: Final answer
    x = 415,028,685.60

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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.