Home / 666,118,147.34-919,206,625.40-364,645,138.60

Finding the Fourth Proportional to 666,118,147.34, 919,206,625.40 and 364,645,138.60

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Solution

The fourth proportional to 666,118,147.34, 919,206,625.40 and 364,645,138.60 is: 503,190,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,118,147.34 : 919,206,625.40 = 364,645,138.60 : x
  2. Step 2: Convert to fraction form
    666,118,147.34/919,206,625.40 = 364,645,138.60/x
  3. Step 3: Cross multiply
    666,118,147.34x = 919,206,625.40 × 364,645,138.60
  4. Step 4: Simplify right side
    666,118,147.34x = 335,184,227,317,336,896
  5. Step 5: Solve for x
    x = 335,184,227,317,336,896/666,118,147.34
  6. Step 6: Final answer
    x = 503,190,355.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.