Home / 664,879,965.48-997,319,956.86-180,205,773.48

Finding the Fourth Proportional to 664,879,965.48, 997,319,956.86 and 180,205,773.48

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Solution

The fourth proportional to 664,879,965.48, 997,319,956.86 and 180,205,773.48 is: 270,308,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,879,965.48 : 997,319,956.86 = 180,205,773.48 : x
  2. Step 2: Convert to fraction form
    664,879,965.48/997,319,956.86 = 180,205,773.48/x
  3. Step 3: Cross multiply
    664,879,965.48x = 997,319,956.86 × 180,205,773.48
  4. Step 4: Simplify right side
    664,879,965.48x = 179,722,814,232,996,512
  5. Step 5: Solve for x
    x = 179,722,814,232,996,512/664,879,965.48
  6. Step 6: Final answer
    x = 270,308,662.56

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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.