Finding the Fourth Proportional to 2,413,495,460.75, 3,618,289,553.21 and 754,548,819.95
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Solution
The fourth proportional to 2,413,495,460.75, 3,618,289,553.21 and 754,548,819.95 is: 1,131,212,449.75
Step by Step Solution
- Step 1: Write the proportion equation
2,413,495,460.75 : 3,618,289,553.21 = 754,548,819.95 : x - Step 2: Convert to fraction form
2,413,495,460.75/3,618,289,553.21 = 754,548,819.95/x - Step 3: Cross multiply
2,413,495,460.75x = 3,618,289,553.21 × 754,548,819.95 - Step 4: Simplify right side
2,413,495,460.75x = 2,730,176,112,620,007,424 - Step 5: Solve for x
x = 2,730,176,112,620,007,424/2,413,495,460.75 - Step 6: Final answer
x = 1,131,212,449.75
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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.