Finding the Fourth Proportional to 2,181,698,310.75, 3,273,007,076.70 and 707,723,028.44
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Solution
The fourth proportional to 2,181,698,310.75, 3,273,007,076.70 and 707,723,028.44 is: 1,061,733,636.14
Step by Step Solution
- Step 1: Write the proportion equation
2,181,698,310.75 : 3,273,007,076.70 = 707,723,028.44 : x - Step 2: Convert to fraction form
2,181,698,310.75/3,273,007,076.70 = 707,723,028.44/x - Step 3: Cross multiply
2,181,698,310.75x = 3,273,007,076.70 × 707,723,028.44 - Step 4: Simplify right side
2,181,698,310.75x = 2,316,382,480,427,675,648 - Step 5: Solve for x
x = 2,316,382,480,427,675,648/2,181,698,310.75 - Step 6: Final answer
x = 1,061,733,636.14
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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.