Finding the Fourth Proportional to 838,546,537.92, 1,157,198,813.28 and 486,331,296
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Solution
The fourth proportional to 838,546,537.92, 1,157,198,813.28 and 486,331,296 is: 671,139,851.09
Step by Step Solution
- Step 1: Write the proportion equation
838,546,537.92 : 1,157,198,813.28 = 486,331,296 : x - Step 2: Convert to fraction form
838,546,537.92/1,157,198,813.28 = 486,331,296/x - Step 3: Cross multiply
838,546,537.92x = 1,157,198,813.28 × 486,331,296 - Step 4: Simplify right side
838,546,537.92x = 562,781,998,592,124,416 - Step 5: Solve for x
x = 562,781,998,592,124,416/838,546,537.92 - Step 6: Final answer
x = 671,139,851.09
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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.