Finding the Fourth Proportional to 464,045,497, 640,369,996.74 and 255,201,634.60
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Solution
The fourth proportional to 464,045,497, 640,369,996.74 and 255,201,634.60 is: 352,171,222.38
Step by Step Solution
- Step 1: Write the proportion equation
464,045,497 : 640,369,996.74 = 255,201,634.60 : x - Step 2: Convert to fraction form
464,045,497/640,369,996.74 = 255,201,634.60/x - Step 3: Cross multiply
464,045,497x = 640,369,996.74 × 255,201,634.60 - Step 4: Simplify right side
464,045,497x = 163,423,469,916,844,672 - Step 5: Solve for x
x = 163,423,469,916,844,672/464,045,497 - Step 6: Final answer
x = 352,171,222.38
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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.