Finding the Fourth Proportional to 414,411,343.75, 571,889,480.97 and 228,773,884.87
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Solution
The fourth proportional to 414,411,343.75, 571,889,480.97 and 228,773,884.87 is: 315,708,969.48
Step by Step Solution
- Step 1: Write the proportion equation
414,411,343.75 : 571,889,480.97 = 228,773,884.87 : x - Step 2: Convert to fraction form
414,411,343.75/571,889,480.97 = 228,773,884.87/x - Step 3: Cross multiply
414,411,343.75x = 571,889,480.97 × 228,773,884.87 - Step 4: Simplify right side
414,411,343.75x = 130,833,378,273,791,536 - Step 5: Solve for x
x = 130,833,378,273,791,536/414,411,343.75 - Step 6: Final answer
x = 315,708,969.48
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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.