Finding the Fourth Proportional to 465,351,893.91, 698,021,861.85 and 154,602,397.98
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Solution
The fourth proportional to 465,351,893.91, 698,021,861.85 and 154,602,397.98 is: 231,901,610.58
Step by Step Solution
- Step 1: Write the proportion equation
465,351,893.91 : 698,021,861.85 = 154,602,397.98 : x - Step 2: Convert to fraction form
465,351,893.91/698,021,861.85 = 154,602,397.98/x - Step 3: Cross multiply
465,351,893.91x = 698,021,861.85 × 154,602,397.98 - Step 4: Simplify right side
465,351,893.91x = 107,915,853,684,474,272 - Step 5: Solve for x
x = 107,915,853,684,474,272/465,351,893.91 - Step 6: Final answer
x = 231,901,610.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.