Home / 248,462,647,999.20-372,693,971,998.80-208,790,789,925.60

Finding the Fourth Proportional to 248,462,647,999.20, 372,693,971,998.80 and 208,790,789,925.60

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Solution

The fourth proportional to 248,462,647,999.20, 372,693,971,998.80 and 208,790,789,925.60 is: 313,186,184,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,462,647,999.20 : 372,693,971,998.80 = 208,790,789,925.60 : x
  2. Step 2: Convert to fraction form
    248,462,647,999.20/372,693,971,998.80 = 208,790,789,925.60/x
  3. Step 3: Cross multiply
    248,462,647,999.20x = 372,693,971,998.80 × 208,790,789,925.60
  4. Step 4: Simplify right side
    248,462,647,999.20x = 77,815,068,814,138,897,596,416
  5. Step 5: Solve for x
    x = 77,815,068,814,138,897,596,416/248,462,647,999.20
  6. Step 6: Final answer
    x = 313,186,184,888.40

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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.