Finding the Fourth Proportional to 1,985,721,390.24, 2,740,489,077.44 and 1,483,057,493.53
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Solution
The fourth proportional to 1,985,721,390.24, 2,740,489,077.44 and 1,483,057,493.53 is: 2,046,763,902.63
Step by Step Solution
- Step 1: Write the proportion equation
1,985,721,390.24 : 2,740,489,077.44 = 1,483,057,493.53 : x - Step 2: Convert to fraction form
1,985,721,390.24/2,740,489,077.44 = 1,483,057,493.53/x - Step 3: Cross multiply
1,985,721,390.24x = 2,740,489,077.44 × 1,483,057,493.53 - Step 4: Simplify right side
1,985,721,390.24x = 4,064,302,862,225,403,904 - Step 5: Solve for x
x = 4,064,302,862,225,403,904/1,985,721,390.24 - Step 6: Final answer
x = 2,046,763,902.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.