Finding the Fourth Proportional to 464,354,295.84, 640,789,715.76 and 252,661,997.76
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Solution
The fourth proportional to 464,354,295.84, 640,789,715.76 and 252,661,997.76 is: 348,663,103.11
Step by Step Solution
- Step 1: Write the proportion equation
464,354,295.84 : 640,789,715.76 = 252,661,997.76 : x - Step 2: Convert to fraction form
464,354,295.84/640,789,715.76 = 252,661,997.76/x - Step 3: Cross multiply
464,354,295.84x = 640,789,715.76 × 252,661,997.76 - Step 4: Simplify right side
464,354,295.84x = 161,903,209,727,984,160 - Step 5: Solve for x
x = 161,903,209,727,984,160/464,354,295.84 - Step 6: Final answer
x = 348,663,103.11
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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.