Finding the Fourth Proportional to 655,459,383.82, 904,534,312.59 and 354,044,693.99
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Solution
The fourth proportional to 655,459,383.82, 904,534,312.59 and 354,044,693.99 is: 488,581,873.74
Step by Step Solution
- Step 1: Write the proportion equation
655,459,383.82 : 904,534,312.59 = 354,044,693.99 : x - Step 2: Convert to fraction form
655,459,383.82/904,534,312.59 = 354,044,693.99/x - Step 3: Cross multiply
655,459,383.82x = 904,534,312.59 × 354,044,693.99 - Step 4: Simplify right side
655,459,383.82x = 320,245,573,904,381,568 - Step 5: Solve for x
x = 320,245,573,904,381,568/655,459,383.82 - Step 6: Final answer
x = 488,581,873.74
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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.