Home / 7,978,226,602.40-11,967,339,903.60-4,672,238,429.60

Finding the Fourth Proportional to 7,978,226,602.40, 11,967,339,903.60 and 4,672,238,429.60

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Solution

The fourth proportional to 7,978,226,602.40, 11,967,339,903.60 and 4,672,238,429.60 is: 7,008,357,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,226,602.40 : 11,967,339,903.60 = 4,672,238,429.60 : x
  2. Step 2: Convert to fraction form
    7,978,226,602.40/11,967,339,903.60 = 4,672,238,429.60/x
  3. Step 3: Cross multiply
    7,978,226,602.40x = 11,967,339,903.60 × 4,672,238,429.60
  4. Step 4: Simplify right side
    7,978,226,602.40x = 55,914,265,397,685,485,568
  5. Step 5: Solve for x
    x = 55,914,265,397,685,485,568/7,978,226,602.40
  6. Step 6: Final answer
    x = 7,008,357,644.40

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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.