Finding the Fourth Proportional to 518,202,445.70, 777,303,668.55 and 518,202,445.70
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Solution
The fourth proportional to 518,202,445.70, 777,303,668.55 and 518,202,445.70 is: 777,303,668.55
Step by Step Solution
- Step 1: Write the proportion equation
518,202,445.70 : 777,303,668.55 = 518,202,445.70 : x - Step 2: Convert to fraction form
518,202,445.70/777,303,668.55 = 518,202,445.70/x - Step 3: Cross multiply
518,202,445.70x = 777,303,668.55 × 518,202,445.70 - Step 4: Simplify right side
518,202,445.70x = 402,800,662,094,192,128 - Step 5: Solve for x
x = 402,800,662,094,192,128/518,202,445.70 - Step 6: Final answer
x = 777,303,668.55
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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.