Finding the Fourth Proportional to 343,315,497.05, 473,717,949.25 and 202,214,811.48
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Solution
The fourth proportional to 343,315,497.05, 473,717,949.25 and 202,214,811.48 is: 279,022,609.31
Step by Step Solution
- Step 1: Write the proportion equation
343,315,497.05 : 473,717,949.25 = 202,214,811.48 : x - Step 2: Convert to fraction form
343,315,497.05/473,717,949.25 = 202,214,811.48/x - Step 3: Cross multiply
343,315,497.05x = 473,717,949.25 × 202,214,811.48 - Step 4: Simplify right side
343,315,497.05x = 95,792,785,802,280,960 - Step 5: Solve for x
x = 95,792,785,802,280,960/343,315,497.05 - Step 6: Final answer
x = 279,022,609.31
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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.