Finding the Fourth Proportional to 363,445,110.70, 545,167,666.05 and 220,117,878.70
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Solution
The fourth proportional to 363,445,110.70, 545,167,666.05 and 220,117,878.70 is: 330,176,818.05
Step by Step Solution
- Step 1: Write the proportion equation
363,445,110.70 : 545,167,666.05 = 220,117,878.70 : x - Step 2: Convert to fraction form
363,445,110.70/545,167,666.05 = 220,117,878.70/x - Step 3: Cross multiply
363,445,110.70x = 545,167,666.05 × 220,117,878.70 - Step 4: Simplify right side
363,445,110.70x = 120,001,150,186,755,984 - Step 5: Solve for x
x = 120,001,150,186,755,984/363,445,110.70 - Step 6: Final answer
x = 330,176,818.05
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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.