Finding the Fourth Proportional to 620,694,696.48, 929,988,457.20 and 374,534,112
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Solution
The fourth proportional to 620,694,696.48, 929,988,457.20 and 374,534,112 is: 561,165,421.52
Step by Step Solution
- Step 1: Write the proportion equation
620,694,696.48 : 929,988,457.20 = 374,534,112 : x - Step 2: Convert to fraction form
620,694,696.48/929,988,457.20 = 374,534,112/x - Step 3: Cross multiply
620,694,696.48x = 929,988,457.20 × 374,534,112 - Step 4: Simplify right side
620,694,696.48x = 348,312,400,987,652,032 - Step 5: Solve for x
x = 348,312,400,987,652,032/620,694,696.48 - Step 6: Final answer
x = 561,165,421.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.