Finding the Fourth Proportional to 3,174,882,649.92, 4,381,583,476.28 and 1,904,771,432.08
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Solution
The fourth proportional to 3,174,882,649.92, 4,381,583,476.28 and 1,904,771,432.08 is: 2,628,731,815.68
Step by Step Solution
- Step 1: Write the proportion equation
3,174,882,649.92 : 4,381,583,476.28 = 1,904,771,432.08 : x - Step 2: Convert to fraction form
3,174,882,649.92/4,381,583,476.28 = 1,904,771,432.08/x - Step 3: Cross multiply
3,174,882,649.92x = 4,381,583,476.28 × 1,904,771,432.08 - Step 4: Simplify right side
3,174,882,649.92x = 8,345,915,032,891,919,360 - Step 5: Solve for x
x = 8,345,915,032,891,919,360/3,174,882,649.92 - Step 6: Final answer
x = 2,628,731,815.68
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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.