Finding the Fourth Proportional to 533,531,432.80, 736,257,564.07 and 295,387,231.03
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Solution
The fourth proportional to 533,531,432.80, 736,257,564.07 and 295,387,231.03 is: 407,625,623.92
Step by Step Solution
- Step 1: Write the proportion equation
533,531,432.80 : 736,257,564.07 = 295,387,231.03 : x - Step 2: Convert to fraction form
533,531,432.80/736,257,564.07 = 295,387,231.03/x - Step 3: Cross multiply
533,531,432.80x = 736,257,564.07 × 295,387,231.03 - Step 4: Simplify right side
533,531,432.80x = 217,481,083,175,530,112 - Step 5: Solve for x
x = 217,481,083,175,530,112/533,531,432.80 - Step 6: Final answer
x = 407,625,623.92
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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.