Finding the Fourth Proportional to 344,588,982.76, 475,534,292.58 and 187,959,454.12
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Solution
The fourth proportional to 344,588,982.76, 475,534,292.58 and 187,959,454.12 is: 259,384,862.90
Step by Step Solution
- Step 1: Write the proportion equation
344,588,982.76 : 475,534,292.58 = 187,959,454.12 : x - Step 2: Convert to fraction form
344,588,982.76/475,534,292.58 = 187,959,454.12/x - Step 3: Cross multiply
344,588,982.76x = 475,534,292.58 × 187,959,454.12 - Step 4: Simplify right side
344,588,982.76x = 89,381,166,048,677,168 - Step 5: Solve for x
x = 89,381,166,048,677,168/344,588,982.76 - Step 6: Final answer
x = 259,384,862.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.