Finding the Fourth Proportional to 388,093,261.68, 535,810,447.98 and 247,044,096.36
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Solution
The fourth proportional to 388,093,261.68, 535,810,447.98 and 247,044,096.36 is: 341,074,739.02
Step by Step Solution
- Step 1: Write the proportion equation
388,093,261.68 : 535,810,447.98 = 247,044,096.36 : x - Step 2: Convert to fraction form
388,093,261.68/535,810,447.98 = 247,044,096.36/x - Step 3: Cross multiply
388,093,261.68x = 535,810,447.98 × 247,044,096.36 - Step 4: Simplify right side
388,093,261.68x = 132,368,807,941,465,904 - Step 5: Solve for x
x = 132,368,807,941,465,904/388,093,261.68 - Step 6: Final answer
x = 341,074,739.02
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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.