Finding the Fourth Proportional to 348,315,755.74, 480,567,527.88 and 197,583,569.26
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Solution
The fourth proportional to 348,315,755.74, 480,567,527.88 and 197,583,569.26 is: 272,603,940.14
Step by Step Solution
- Step 1: Write the proportion equation
348,315,755.74 : 480,567,527.88 = 197,583,569.26 : x - Step 2: Convert to fraction form
348,315,755.74/480,567,527.88 = 197,583,569.26/x - Step 3: Cross multiply
348,315,755.74x = 480,567,527.88 × 197,583,569.26 - Step 4: Simplify right side
348,315,755.74x = 94,952,247,428,984,960 - Step 5: Solve for x
x = 94,952,247,428,984,960/348,315,755.74 - Step 6: Final answer
x = 272,603,940.14
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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.