Finding the Fourth Proportional to 518,202,447.20, 777,303,670.80 and 518,202,447.20
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Solution
The fourth proportional to 518,202,447.20, 777,303,670.80 and 518,202,447.20 is: 777,303,670.80
Step by Step Solution
- Step 1: Write the proportion equation
518,202,447.20 : 777,303,670.80 = 518,202,447.20 : x - Step 2: Convert to fraction form
518,202,447.20/777,303,670.80 = 518,202,447.20/x - Step 3: Cross multiply
518,202,447.20x = 777,303,670.80 × 518,202,447.20 - Step 4: Simplify right side
518,202,447.20x = 402,800,664,426,103,168 - Step 5: Solve for x
x = 402,800,664,426,103,168/518,202,447.20 - Step 6: Final answer
x = 777,303,670.80
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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.