Finding the Fourth Proportional to 2,695,021,107.70, 4,042,531,661.55 and 652,608,051.70
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Solution
The fourth proportional to 2,695,021,107.70, 4,042,531,661.55 and 652,608,051.70 is: 978,912,077.55
Step by Step Solution
- Step 1: Write the proportion equation
2,695,021,107.70 : 4,042,531,661.55 = 652,608,051.70 : x - Step 2: Convert to fraction form
2,695,021,107.70/4,042,531,661.55 = 652,608,051.70/x - Step 3: Cross multiply
2,695,021,107.70x = 4,042,531,661.55 × 652,608,051.70 - Step 4: Simplify right side
2,695,021,107.70x = 2,638,188,711,579,709,440 - Step 5: Solve for x
x = 2,638,188,711,579,709,440/2,695,021,107.70 - Step 6: Final answer
x = 978,912,077.55
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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.