Finding the Fourth Proportional to 348,931,216.05, 481,525,153.98 and 190,161,376.63
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Solution
The fourth proportional to 348,931,216.05, 481,525,153.98 and 190,161,376.63 is: 262,422,741.08
Step by Step Solution
- Step 1: Write the proportion equation
348,931,216.05 : 481,525,153.98 = 190,161,376.63 : x - Step 2: Convert to fraction form
348,931,216.05/481,525,153.98 = 190,161,376.63/x - Step 3: Cross multiply
348,931,216.05x = 481,525,153.98 × 190,161,376.63 - Step 4: Simplify right side
348,931,216.05x = 91,567,486,162,809,520 - Step 5: Solve for x
x = 91,567,486,162,809,520/348,931,216.05 - Step 6: Final answer
x = 262,422,741.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.