Finding the Fourth Proportional to 1,554,831,108.73, 2,328,544,585.35 and 992,852,218.20
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Solution
The fourth proportional to 1,554,831,108.73, 2,328,544,585.35 and 992,852,218.20 is: 1,486,914,330.28
Step by Step Solution
- Step 1: Write the proportion equation
1,554,831,108.73 : 2,328,544,585.35 = 992,852,218.20 : x - Step 2: Convert to fraction form
1,554,831,108.73/2,328,544,585.35 = 992,852,218.20/x - Step 3: Cross multiply
1,554,831,108.73x = 2,328,544,585.35 × 992,852,218.20 - Step 4: Simplify right side
1,554,831,108.73x = 2,311,900,656,742,346,752 - Step 5: Solve for x
x = 2,311,900,656,742,346,752/1,554,831,108.73 - Step 6: Final answer
x = 1,486,914,330.28
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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.