Finding the Fourth Proportional to 1,554,831,076.23, 2,328,544,536.60 and 992,852,185.70
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Solution
The fourth proportional to 1,554,831,076.23, 2,328,544,536.60 and 992,852,185.70 is: 1,486,914,281.55
Step by Step Solution
- Step 1: Write the proportion equation
1,554,831,076.23 : 2,328,544,536.60 = 992,852,185.70 : x - Step 2: Convert to fraction form
1,554,831,076.23/2,328,544,536.60 = 992,852,185.70/x - Step 3: Cross multiply
1,554,831,076.23x = 2,328,544,536.60 × 992,852,185.70 - Step 4: Simplify right side
1,554,831,076.23x = 2,311,900,532,651,461,120 - Step 5: Solve for x
x = 2,311,900,532,651,461,120/1,554,831,076.23 - Step 6: Final answer
x = 1,486,914,281.55
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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.