Finding the Fourth Proportional to 541,776,495.87, 747,661,359.87 and 306,875,768.49
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Solution
The fourth proportional to 541,776,495.87, 747,661,359.87 and 306,875,768.49 is: 423,494,108.97
Step by Step Solution
- Step 1: Write the proportion equation
541,776,495.87 : 747,661,359.87 = 306,875,768.49 : x - Step 2: Convert to fraction form
541,776,495.87/747,661,359.87 = 306,875,768.49/x - Step 3: Cross multiply
541,776,495.87x = 747,661,359.87 × 306,875,768.49 - Step 4: Simplify right side
541,776,495.87x = 229,439,154,380,384,704 - Step 5: Solve for x
x = 229,439,154,380,384,704/541,776,495.87 - Step 6: Final answer
x = 423,494,108.97
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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.