Finding the Fourth Proportional to 607,823,521.44, 911,511,940.68 and 208,868,949.84
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Solution
The fourth proportional to 607,823,521.44, 911,511,940.68 and 208,868,949.84 is: 313,226,676.99
Step by Step Solution
- Step 1: Write the proportion equation
607,823,521.44 : 911,511,940.68 = 208,868,949.84 : x - Step 2: Convert to fraction form
607,823,521.44/911,511,940.68 = 208,868,949.84/x - Step 3: Cross multiply
607,823,521.44x = 911,511,940.68 × 208,868,949.84 - Step 4: Simplify right side
607,823,521.44x = 190,386,541,816,451,968 - Step 5: Solve for x
x = 190,386,541,816,451,968/607,823,521.44 - Step 6: Final answer
x = 313,226,676.99
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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.