Finding the Fourth Proportional to 2,569,428,537.79, 3,853,395,107.69 and 995,184,728.90
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Solution
The fourth proportional to 2,569,428,537.79, 3,853,395,107.69 and 995,184,728.90 is: 1,492,487,496.41
Step by Step Solution
- Step 1: Write the proportion equation
2,569,428,537.79 : 3,853,395,107.69 = 995,184,728.90 : x - Step 2: Convert to fraction form
2,569,428,537.79/3,853,395,107.69 = 995,184,728.90/x - Step 3: Cross multiply
2,569,428,537.79x = 3,853,395,107.69 × 995,184,728.90 - Step 4: Simplify right side
2,569,428,537.79x = 3,834,839,965,575,972,864 - Step 5: Solve for x
x = 3,834,839,965,575,972,864/2,569,428,537.79 - Step 6: Final answer
x = 1,492,487,496.41
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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.