Finding the Fourth Proportional to 828,211,649,927.35, 1,242,441,692,084.90 and 290,894,905,370.97
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Solution
The fourth proportional to 828,211,649,927.35, 1,242,441,692,084.90 and 290,894,905,370.97 is: 436,385,987,180.56
Step by Step Solution
- Step 1: Write the proportion equation
828,211,649,927.35 : 1,242,441,692,084.90 = 290,894,905,370.97 : x - Step 2: Convert to fraction form
828,211,649,927.35/1,242,441,692,084.90 = 290,894,905,370.97/x - Step 3: Cross multiply
828,211,649,927.35x = 1,242,441,692,084.90 × 290,894,905,370.97 - Step 4: Simplify right side
828,211,649,927.35x = 361,419,958,447,984,766,615,552 - Step 5: Solve for x
x = 361,419,958,447,984,766,615,552/828,211,649,927.35 - Step 6: Final answer
x = 436,385,987,180.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.