Finding the Fourth Proportional to 253,219,605.94, 380,264,083.74 and 155,425,569.09
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Solution
The fourth proportional to 253,219,605.94, 380,264,083.74 and 155,425,569.09 is: 233,405,155.98
Step by Step Solution
- Step 1: Write the proportion equation
253,219,605.94 : 380,264,083.74 = 155,425,569.09 : x - Step 2: Convert to fraction form
253,219,605.94/380,264,083.74 = 155,425,569.09/x - Step 3: Cross multiply
253,219,605.94x = 380,264,083.74 × 155,425,569.09 - Step 4: Simplify right side
253,219,605.94x = 59,102,761,620,170,120 - Step 5: Solve for x
x = 59,102,761,620,170,120/253,219,605.94 - Step 6: Final answer
x = 233,405,155.98
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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.