Finding the Fourth Proportional to 941,755,664.64, 1,299,612,503.84 and 518,360,273.60
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Solution
The fourth proportional to 941,755,664.64, 1,299,612,503.84 and 518,360,273.60 is: 715,331,500.90
Step by Step Solution
- Step 1: Write the proportion equation
941,755,664.64 : 1,299,612,503.84 = 518,360,273.60 : x - Step 2: Convert to fraction form
941,755,664.64/1,299,612,503.84 = 518,360,273.60/x - Step 3: Cross multiply
941,755,664.64x = 1,299,612,503.84 × 518,360,273.60 - Step 4: Simplify right side
941,755,664.64x = 673,667,493,064,483,456 - Step 5: Solve for x
x = 673,667,493,064,483,456/941,755,664.64 - Step 6: Final answer
x = 715,331,500.90
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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.