Finding the Fourth Proportional to 607,823,522.44, 911,511,942.18 and 208,868,950.84
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Solution
The fourth proportional to 607,823,522.44, 911,511,942.18 and 208,868,950.84 is: 313,226,678.49
Step by Step Solution
- Step 1: Write the proportion equation
607,823,522.44 : 911,511,942.18 = 208,868,950.84 : x - Step 2: Convert to fraction form
607,823,522.44/911,511,942.18 = 208,868,950.84/x - Step 3: Cross multiply
607,823,522.44x = 911,511,942.18 × 208,868,950.84 - Step 4: Simplify right side
607,823,522.44x = 190,386,543,041,267,328 - Step 5: Solve for x
x = 190,386,543,041,267,328/607,823,522.44 - Step 6: Final answer
x = 313,226,678.49
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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.