Finding the Fourth Proportional to 484,568,838.26, 726,943,536.99 and 157,015,141.46
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Solution
The fourth proportional to 484,568,838.26, 726,943,536.99 and 157,015,141.46 is: 235,551,965.54
Step by Step Solution
- Step 1: Write the proportion equation
484,568,838.26 : 726,943,536.99 = 157,015,141.46 : x - Step 2: Convert to fraction form
484,568,838.26/726,943,536.99 = 157,015,141.46/x - Step 3: Cross multiply
484,568,838.26x = 726,943,536.99 × 157,015,141.46 - Step 4: Simplify right side
484,568,838.26x = 114,141,142,293,917,600 - Step 5: Solve for x
x = 114,141,142,293,917,600/484,568,838.26 - Step 6: Final answer
x = 235,551,965.54
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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.