Finding the Fourth Proportional to 702,154,320.05, 1,053,382,421.05 and 204,173,488.96
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Solution
The fourth proportional to 702,154,320.05, 1,053,382,421.05 and 204,173,488.96 is: 306,304,124.28
Step by Step Solution
- Step 1: Write the proportion equation
702,154,320.05 : 1,053,382,421.05 = 204,173,488.96 : x - Step 2: Convert to fraction form
702,154,320.05/1,053,382,421.05 = 204,173,488.96/x - Step 3: Cross multiply
702,154,320.05x = 1,053,382,421.05 × 204,173,488.96 - Step 4: Simplify right side
702,154,320.05x = 215,072,764,111,766,368 - Step 5: Solve for x
x = 215,072,764,111,766,368/702,154,320.05 - Step 6: Final answer
x = 306,304,124.28
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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.