Finding the Fourth Proportional to 1,375,293,906.99, 2,062,941,500.18 and 442,616,625.05
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Solution
The fourth proportional to 1,375,293,906.99, 2,062,941,500.18 and 442,616,625.05 is: 663,925,143.44
Step by Step Solution
- Step 1: Write the proportion equation
1,375,293,906.99 : 2,062,941,500.18 = 442,616,625.05 : x - Step 2: Convert to fraction form
1,375,293,906.99/2,062,941,500.18 = 442,616,625.05/x - Step 3: Cross multiply
1,375,293,906.99x = 2,062,941,500.18 × 442,616,625.05 - Step 4: Simplify right side
1,375,293,906.99x = 913,092,204,476,047,360 - Step 5: Solve for x
x = 913,092,204,476,047,360/1,375,293,906.99 - Step 6: Final answer
x = 663,925,143.44
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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.