Finding the Fourth Proportional to 3,199,374,930.60, 4,799,062,395.90 and 1,649,692,974.60
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Solution
The fourth proportional to 3,199,374,930.60, 4,799,062,395.90 and 1,649,692,974.60 is: 2,474,539,461.90
Step by Step Solution
- Step 1: Write the proportion equation
3,199,374,930.60 : 4,799,062,395.90 = 1,649,692,974.60 : x - Step 2: Convert to fraction form
3,199,374,930.60/4,799,062,395.90 = 1,649,692,974.60/x - Step 3: Cross multiply
3,199,374,930.60x = 4,799,062,395.90 × 1,649,692,974.60 - Step 4: Simplify right side
3,199,374,930.60x = 7,916,979,519,183,272,960 - Step 5: Solve for x
x = 7,916,979,519,183,272,960/3,199,374,930.60 - Step 6: Final answer
x = 2,474,539,461.90
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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.