Home / 321,003,705,339.40-481,505,558,009.10-97,413,296,902.60

Finding the Fourth Proportional to 321,003,705,339.40, 481,505,558,009.10 and 97,413,296,902.60

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Solution

The fourth proportional to 321,003,705,339.40, 481,505,558,009.10 and 97,413,296,902.60 is: 146,119,945,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,003,705,339.40 : 481,505,558,009.10 = 97,413,296,902.60 : x
  2. Step 2: Convert to fraction form
    321,003,705,339.40/481,505,558,009.10 = 97,413,296,902.60/x
  3. Step 3: Cross multiply
    321,003,705,339.40x = 481,505,558,009.10 × 97,413,296,902.60
  4. Step 4: Simplify right side
    321,003,705,339.40x = 46,905,043,882,592,549,470,208
  5. Step 5: Solve for x
    x = 46,905,043,882,592,549,470,208/321,003,705,339.40
  6. Step 6: Final answer
    x = 146,119,945,353.90

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1.5x scale

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.