Home / 345,546,053.60-518,319,080.40-216,405,890.60

Finding the Fourth Proportional to 345,546,053.60, 518,319,080.40 and 216,405,890.60

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Solution

The fourth proportional to 345,546,053.60, 518,319,080.40 and 216,405,890.60 is: 324,608,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,546,053.60 : 518,319,080.40 = 216,405,890.60 : x
  2. Step 2: Convert to fraction form
    345,546,053.60/518,319,080.40 = 216,405,890.60/x
  3. Step 3: Cross multiply
    345,546,053.60x = 518,319,080.40 × 216,405,890.60
  4. Step 4: Simplify right side
    345,546,053.60x = 112,167,302,208,934,992
  5. Step 5: Solve for x
    x = 112,167,302,208,934,992/345,546,053.60
  6. Step 6: Final answer
    x = 324,608,835.90

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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.