Finding the Fourth Proportional to 829,323,723.39, 1,243,990,235.79 and 276,624,634.46
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Solution
The fourth proportional to 829,323,723.39, 1,243,990,235.79 and 276,624,634.46 is: 414,938,502.95
Step by Step Solution
- Step 1: Write the proportion equation
829,323,723.39 : 1,243,990,235.79 = 276,624,634.46 : x - Step 2: Convert to fraction form
829,323,723.39/1,243,990,235.79 = 276,624,634.46/x - Step 3: Cross multiply
829,323,723.39x = 1,243,990,235.79 × 276,624,634.46 - Step 4: Simplify right side
829,323,723.39x = 344,118,344,247,217,920 - Step 5: Solve for x
x = 344,118,344,247,217,920/829,323,723.39 - Step 6: Final answer
x = 414,938,502.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.