Finding the Fourth Proportional to 1,395,289,612.80, 2,092,934,419.20 and 1,366,624,166.40
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Solution
The fourth proportional to 1,395,289,612.80, 2,092,934,419.20 and 1,366,624,166.40 is: 2,049,936,249.60
Step by Step Solution
- Step 1: Write the proportion equation
1,395,289,612.80 : 2,092,934,419.20 = 1,366,624,166.40 : x - Step 2: Convert to fraction form
1,395,289,612.80/2,092,934,419.20 = 1,366,624,166.40/x - Step 3: Cross multiply
1,395,289,612.80x = 2,092,934,419.20 × 1,366,624,166.40 - Step 4: Simplify right side
1,395,289,612.80x = 2,860,254,755,969,068,544 - Step 5: Solve for x
x = 2,860,254,755,969,068,544/1,395,289,612.80 - Step 6: Final answer
x = 2,049,936,249.60
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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.