Home / 828,211,649,923.73-1,242,441,692,079.50-290,894,905,367.40

Finding the Fourth Proportional to 828,211,649,923.73, 1,242,441,692,079.50 and 290,894,905,367.40

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Solution

The fourth proportional to 828,211,649,923.73, 1,242,441,692,079.50 and 290,894,905,367.40 is: 436,385,987,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,211,649,923.73 : 1,242,441,692,079.50 = 290,894,905,367.40 : x
  2. Step 2: Convert to fraction form
    828,211,649,923.73/1,242,441,692,079.50 = 290,894,905,367.40/x
  3. Step 3: Cross multiply
    828,211,649,923.73x = 1,242,441,692,079.50 × 290,894,905,367.40
  4. Step 4: Simplify right side
    828,211,649,923.73x = 361,419,958,441,978,523,287,552
  5. Step 5: Solve for x
    x = 361,419,958,441,978,523,287,552/828,211,649,923.73
  6. Step 6: Final answer
    x = 436,385,987,175.21

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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.