Home / 442,847,650.60-664,271,475.90-115,322,530.60

Finding the Fourth Proportional to 442,847,650.60, 664,271,475.90 and 115,322,530.60

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Solution

The fourth proportional to 442,847,650.60, 664,271,475.90 and 115,322,530.60 is: 172,983,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,847,650.60 : 664,271,475.90 = 115,322,530.60 : x
  2. Step 2: Convert to fraction form
    442,847,650.60/664,271,475.90 = 115,322,530.60/x
  3. Step 3: Cross multiply
    442,847,650.60x = 664,271,475.90 × 115,322,530.60
  4. Step 4: Simplify right side
    442,847,650.60x = 76,605,467,606,184,912
  5. Step 5: Solve for x
    x = 76,605,467,606,184,912/442,847,650.60
  6. Step 6: Final answer
    x = 172,983,795.90

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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.