Finding the Fourth Proportional to 518,194,952.20, 777,292,428.30 and 168,440,344.08
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Solution
The fourth proportional to 518,194,952.20, 777,292,428.30 and 168,440,344.08 is: 252,660,516.11
Step by Step Solution
- Step 1: Write the proportion equation
518,194,952.20 : 777,292,428.30 = 168,440,344.08 : x - Step 2: Convert to fraction form
518,194,952.20/777,292,428.30 = 168,440,344.08/x - Step 3: Cross multiply
518,194,952.20x = 777,292,428.30 × 168,440,344.08 - Step 4: Simplify right side
518,194,952.20x = 130,927,404,069,744,256 - Step 5: Solve for x
x = 130,927,404,069,744,256/518,194,952.20 - Step 6: Final answer
x = 252,660,516.11
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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.