Home / 4,782,978,021.60-7,174,467,032.40-1,336,405,989.60

Finding the Fourth Proportional to 4,782,978,021.60, 7,174,467,032.40 and 1,336,405,989.60

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Solution

The fourth proportional to 4,782,978,021.60, 7,174,467,032.40 and 1,336,405,989.60 is: 2,004,608,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782,978,021.60 : 7,174,467,032.40 = 1,336,405,989.60 : x
  2. Step 2: Convert to fraction form
    4,782,978,021.60/7,174,467,032.40 = 1,336,405,989.60/x
  3. Step 3: Cross multiply
    4,782,978,021.60x = 7,174,467,032.40 × 1,336,405,989.60
  4. Step 4: Simplify right side
    4,782,978,021.60x = 9,588,000,714,287,095,808
  5. Step 5: Solve for x
    x = 9,588,000,714,287,095,808/4,782,978,021.60
  6. Step 6: Final answer
    x = 2,004,608,984.40

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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.