Finding the Fourth Proportional to 1,939,368,239.99, 2,909,052,398.60 and 465,508,049.24
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Solution
The fourth proportional to 1,939,368,239.99, 2,909,052,398.60 and 465,508,049.24 is: 698,262,083.12
Step by Step Solution
- Step 1: Write the proportion equation
1,939,368,239.99 : 2,909,052,398.60 = 465,508,049.24 : x - Step 2: Convert to fraction form
1,939,368,239.99/2,909,052,398.60 = 465,508,049.24/x - Step 3: Cross multiply
1,939,368,239.99x = 2,909,052,398.60 × 465,508,049.24 - Step 4: Simplify right side
1,939,368,239.99x = 1,354,187,307,192,356,096 - Step 5: Solve for x
x = 1,354,187,307,192,356,096/1,939,368,239.99 - Step 6: Final answer
x = 698,262,083.12
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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.