Finding the Fourth Proportional to 2,859,660,021.64, 4,290,181,532.70 and 994,036,386.28
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Solution
The fourth proportional to 2,859,660,021.64, 4,290,181,532.70 and 994,036,386.28 is: 1,491,294,949.39
Step by Step Solution
- Step 1: Write the proportion equation
2,859,660,021.64 : 4,290,181,532.70 = 994,036,386.28 : x - Step 2: Convert to fraction form
2,859,660,021.64/4,290,181,532.70 = 994,036,386.28/x - Step 3: Cross multiply
2,859,660,021.64x = 4,290,181,532.70 × 994,036,386.28 - Step 4: Simplify right side
2,859,660,021.64x = 4,264,596,547,250,299,392 - Step 5: Solve for x
x = 4,264,596,547,250,299,392/2,859,660,021.64 - Step 6: Final answer
x = 1,491,294,949.39
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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.