Finding the Fourth Proportional to 3,187,879,252.32, 4,399,382,375.28 and 1,849,668,299.04
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Solution
The fourth proportional to 3,187,879,252.32, 4,399,382,375.28 and 1,849,668,299.04 is: 2,552,605,500.66
Step by Step Solution
- Step 1: Write the proportion equation
3,187,879,252.32 : 4,399,382,375.28 = 1,849,668,299.04 : x - Step 2: Convert to fraction form
3,187,879,252.32/4,399,382,375.28 = 1,849,668,299.04/x - Step 3: Cross multiply
3,187,879,252.32x = 4,399,382,375.28 × 1,849,668,299.04 - Step 4: Simplify right side
3,187,879,252.32x = 8,137,398,114,910,711,808 - Step 5: Solve for x
x = 8,137,398,114,910,711,808/3,187,879,252.32 - Step 6: Final answer
x = 2,552,605,500.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.