Finding the Fourth Proportional to 365,651,012.56, 548,153,664.84 and 279,772,804.12
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Solution
The fourth proportional to 365,651,012.56, 548,153,664.84 and 279,772,804.12 is: 419,412,178.92
Step by Step Solution
- Step 1: Write the proportion equation
365,651,012.56 : 548,153,664.84 = 279,772,804.12 : x - Step 2: Convert to fraction form
365,651,012.56/548,153,664.84 = 279,772,804.12/x - Step 3: Cross multiply
365,651,012.56x = 548,153,664.84 × 279,772,804.12 - Step 4: Simplify right side
365,651,012.56x = 153,358,487,900,941,472 - Step 5: Solve for x
x = 153,358,487,900,941,472/365,651,012.56 - Step 6: Final answer
x = 419,412,178.92
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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.