Finding the Fourth Proportional to 322,995,701.80, 484,493,552.70 and 159,311,873.80
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Solution
The fourth proportional to 322,995,701.80, 484,493,552.70 and 159,311,873.80 is: 238,967,810.70
Step by Step Solution
- Step 1: Write the proportion equation
322,995,701.80 : 484,493,552.70 = 159,311,873.80 : x - Step 2: Convert to fraction form
322,995,701.80/484,493,552.70 = 159,311,873.80/x - Step 3: Cross multiply
322,995,701.80x = 484,493,552.70 × 159,311,873.80 - Step 4: Simplify right side
322,995,701.80x = 77,185,575,724,656,048 - Step 5: Solve for x
x = 77,185,575,724,656,048/322,995,701.80 - Step 6: Final answer
x = 238,967,810.70
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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.