Finding the Fourth Proportional to 1,796,296,816.80, 2,694,445,225.20 and 1,661,927,536.80
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Solution
The fourth proportional to 1,796,296,816.80, 2,694,445,225.20 and 1,661,927,536.80 is: 2,492,891,305.20
Step by Step Solution
- Step 1: Write the proportion equation
1,796,296,816.80 : 2,694,445,225.20 = 1,661,927,536.80 : x - Step 2: Convert to fraction form
1,796,296,816.80/2,694,445,225.20 = 1,661,927,536.80/x - Step 3: Cross multiply
1,796,296,816.80x = 2,694,445,225.20 × 1,661,927,536.80 - Step 4: Simplify right side
1,796,296,816.80x = 4,477,972,716,159,156,736 - Step 5: Solve for x
x = 4,477,972,716,159,156,736/1,796,296,816.80 - Step 6: Final answer
x = 2,492,891,305.20
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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.