Finding the Fourth Proportional to 352,512,235.08, 528,858,048.78 and 207,068,803.56
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Solution
The fourth proportional to 352,512,235.08, 528,858,048.78 and 207,068,803.56 is: 310,655,893.66
Step by Step Solution
- Step 1: Write the proportion equation
352,512,235.08 : 528,858,048.78 = 207,068,803.56 : x - Step 2: Convert to fraction form
352,512,235.08/528,858,048.78 = 207,068,803.56/x - Step 3: Cross multiply
352,512,235.08x = 528,858,048.78 × 207,068,803.56 - Step 4: Simplify right side
352,512,235.08x = 109,510,003,413,950,720 - Step 5: Solve for x
x = 109,510,003,413,950,720/352,512,235.08 - Step 6: Final answer
x = 310,655,893.66
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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.