Home / 828,211,650,113.70-1,242,441,692,364.40-290,894,905,556.92

Finding the Fourth Proportional to 828,211,650,113.70, 1,242,441,692,364.40 and 290,894,905,556.92

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Solution

The fourth proportional to 828,211,650,113.70, 1,242,441,692,364.40 and 290,894,905,556.92 is: 436,385,987,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,211,650,113.70 : 1,242,441,692,364.40 = 290,894,905,556.92 : x
  2. Step 2: Convert to fraction form
    828,211,650,113.70/1,242,441,692,364.40 = 290,894,905,556.92/x
  3. Step 3: Cross multiply
    828,211,650,113.70x = 1,242,441,692,364.40 × 290,894,905,556.92
  4. Step 4: Simplify right side
    828,211,650,113.70x = 361,419,958,760,321,969,029,120
  5. Step 5: Solve for x
    x = 361,419,958,760,321,969,029,120/828,211,650,113.70
  6. Step 6: Final answer
    x = 436,385,987,459.49

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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.