Finding the Fourth Proportional to 3,029,018,633.91, 4,149,736,173.42 and 2,915,747,419.12
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Solution
The fourth proportional to 3,029,018,633.91, 4,149,736,173.42 and 2,915,747,419.12 is: 3,994,555,332.94
Step by Step Solution
- Step 1: Write the proportion equation
3,029,018,633.91 : 4,149,736,173.42 = 2,915,747,419.12 : x - Step 2: Convert to fraction form
3,029,018,633.91/4,149,736,173.42 = 2,915,747,419.12/x - Step 3: Cross multiply
3,029,018,633.91x = 4,149,736,173.42 × 2,915,747,419.12 - Step 4: Simplify right side
3,029,018,633.91x = 12,099,582,537,657,106,432 - Step 5: Solve for x
x = 12,099,582,537,657,106,432/3,029,018,633.91 - Step 6: Final answer
x = 3,994,555,332.94
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.