Finding the Fourth Proportional to 3,910,363,370.10, 5,865,545,055.15 and 3,481,809,347.70
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Solution
The fourth proportional to 3,910,363,370.10, 5,865,545,055.15 and 3,481,809,347.70 is: 5,222,714,021.55
Step by Step Solution
- Step 1: Write the proportion equation
3,910,363,370.10 : 5,865,545,055.15 = 3,481,809,347.70 : x - Step 2: Convert to fraction form
3,910,363,370.10/5,865,545,055.15 = 3,481,809,347.70/x - Step 3: Cross multiply
3,910,363,370.10x = 5,865,545,055.15 × 3,481,809,347.70 - Step 4: Simplify right side
3,910,363,370.10x = 20,422,709,602,376,777,728 - Step 5: Solve for x
x = 20,422,709,602,376,777,728/3,910,363,370.10 - Step 6: Final answer
x = 5,222,714,021.55
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Double scale
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1.5x scale
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.