Finding the Fourth Proportional to 388,135,832.00, 581,863,625.75 and 145,968,797.12
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Solution
The fourth proportional to 388,135,832.00, 581,863,625.75 and 145,968,797.12 is: 218,825,283.66
Step by Step Solution
- Step 1: Write the proportion equation
388,135,832.00 : 581,863,625.75 = 145,968,797.12 : x - Step 2: Convert to fraction form
388,135,832.00/581,863,625.75 = 145,968,797.12/x - Step 3: Cross multiply
388,135,832.00x = 581,863,625.75 × 145,968,797.12 - Step 4: Simplify right side
388,135,832.00x = 84,933,933,536,064,976 - Step 5: Solve for x
x = 84,933,933,536,064,976/388,135,832.00 - Step 6: Final answer
x = 218,825,283.66
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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.