Finding the Fourth Proportional to 734,397,768.06, 1,013,487,093.81 and 399,888,628.80
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Solution
The fourth proportional to 734,397,768.06, 1,013,487,093.81 and 399,888,628.80 is: 551,856,203.65
Step by Step Solution
- Step 1: Write the proportion equation
734,397,768.06 : 1,013,487,093.81 = 399,888,628.80 : x - Step 2: Convert to fraction form
734,397,768.06/1,013,487,093.81 = 399,888,628.80/x - Step 3: Cross multiply
734,397,768.06x = 1,013,487,093.81 × 399,888,628.80 - Step 4: Simplify right side
734,397,768.06x = 405,281,964,250,177,856 - Step 5: Solve for x
x = 405,281,964,250,177,856/734,397,768.06 - Step 6: Final answer
x = 551,856,203.65
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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.