Finding the Fourth Proportional to 910,848,430.68, 1,366,272,655.74 and 220,755,683.94
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Solution
The fourth proportional to 910,848,430.68, 1,366,272,655.74 and 220,755,683.94 is: 331,133,528.27
Step by Step Solution
- Step 1: Write the proportion equation
910,848,430.68 : 1,366,272,655.74 = 220,755,683.94 : x - Step 2: Convert to fraction form
910,848,430.68/1,366,272,655.74 = 220,755,683.94/x - Step 3: Cross multiply
910,848,430.68x = 1,366,272,655.74 × 220,755,683.94 - Step 4: Simplify right side
910,848,430.68x = 301,612,454,566,403,840 - Step 5: Solve for x
x = 301,612,454,566,403,840/910,848,430.68 - Step 6: Final answer
x = 331,133,528.27
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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.