Finding the Fourth Proportional to 336,994,696.30, 505,492,044.45 and 279,551,829.10
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Solution
The fourth proportional to 336,994,696.30, 505,492,044.45 and 279,551,829.10 is: 419,327,743.65
Step by Step Solution
- Step 1: Write the proportion equation
336,994,696.30 : 505,492,044.45 = 279,551,829.10 : x - Step 2: Convert to fraction form
336,994,696.30/505,492,044.45 = 279,551,829.10/x - Step 3: Cross multiply
336,994,696.30x = 505,492,044.45 × 279,551,829.10 - Step 4: Simplify right side
336,994,696.30x = 141,311,225,621,496,016 - Step 5: Solve for x
x = 141,311,225,621,496,016/336,994,696.30 - Step 6: Final answer
x = 419,327,743.65
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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.