Finding the Fourth Proportional to 3,114,310,266.40, 4,674,110,794.80 and 1,275,382,688.80
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Solution
The fourth proportional to 3,114,310,266.40, 4,674,110,794.80 and 1,275,382,688.80 is: 1,914,157,384.23
Step by Step Solution
- Step 1: Write the proportion equation
3,114,310,266.40 : 4,674,110,794.80 = 1,275,382,688.80 : x - Step 2: Convert to fraction form
3,114,310,266.40/4,674,110,794.80 = 1,275,382,688.80/x - Step 3: Cross multiply
3,114,310,266.40x = 4,674,110,794.80 × 1,275,382,688.80 - Step 4: Simplify right side
3,114,310,266.40x = 5,961,279,993,221,129,216 - Step 5: Solve for x
x = 5,961,279,993,221,129,216/3,114,310,266.40 - Step 6: Final answer
x = 1,914,157,384.23
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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.