Finding the Fourth Proportional to 873,802,607.19, 1,310,694,942.71 and 505,102,957.80
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Solution
The fourth proportional to 873,802,607.19, 1,310,694,942.71 and 505,102,957.80 is: 757,649,252.69
Step by Step Solution
- Step 1: Write the proportion equation
873,802,607.19 : 1,310,694,942.71 = 505,102,957.80 : x - Step 2: Convert to fraction form
873,802,607.19/1,310,694,942.71 = 505,102,957.80/x - Step 3: Cross multiply
873,802,607.19x = 1,310,694,942.71 × 505,102,957.80 - Step 4: Simplify right side
873,802,607.19x = 662,035,892,333,796,992 - Step 5: Solve for x
x = 662,035,892,333,796,992/873,802,607.19 - Step 6: Final answer
x = 757,649,252.69
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1.5x scale
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.