Finding the Fourth Proportional to 372,703,841.80, 514,354,312.86 and 205,439,725.75
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Solution
The fourth proportional to 372,703,841.80, 514,354,312.86 and 205,439,725.75 is: 283,519,505.63
Step by Step Solution
- Step 1: Write the proportion equation
372,703,841.80 : 514,354,312.86 = 205,439,725.75 : x - Step 2: Convert to fraction form
372,703,841.80/514,354,312.86 = 205,439,725.75/x - Step 3: Cross multiply
372,703,841.80x = 514,354,312.86 × 205,439,725.75 - Step 4: Simplify right side
372,703,841.80x = 105,668,808,972,288,096 - Step 5: Solve for x
x = 105,668,808,972,288,096/372,703,841.80 - Step 6: Final answer
x = 283,519,505.63
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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.