Finding the Fourth Proportional to 358,444,637.10, 494,634,409.04 and 197,503,625.90
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Solution
The fourth proportional to 358,444,637.10, 494,634,409.04 and 197,503,625.90 is: 272,544,429.94
Step by Step Solution
- Step 1: Write the proportion equation
358,444,637.10 : 494,634,409.04 = 197,503,625.90 : x - Step 2: Convert to fraction form
358,444,637.10/494,634,409.04 = 197,503,625.90/x - Step 3: Cross multiply
358,444,637.10x = 494,634,409.04 × 197,503,625.90 - Step 4: Simplify right side
358,444,637.10x = 97,692,089,282,034,096 - Step 5: Solve for x
x = 97,692,089,282,034,096/358,444,637.10 - Step 6: Final answer
x = 272,544,429.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.