Finding the Fourth Proportional to 1,077,294,569.92, 1,486,665,834.98 and 582,257,278.42
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Solution
The fourth proportional to 1,077,294,569.92, 1,486,665,834.98 and 582,257,278.42 is: 803,514,681.28
Step by Step Solution
- Step 1: Write the proportion equation
1,077,294,569.92 : 1,486,665,834.98 = 582,257,278.42 : x - Step 2: Convert to fraction form
1,077,294,569.92/1,486,665,834.98 = 582,257,278.42/x - Step 3: Cross multiply
1,077,294,569.92x = 1,486,665,834.98 × 582,257,278.42 - Step 4: Simplify right side
1,077,294,569.92x = 865,622,002,992,084,480 - Step 5: Solve for x
x = 865,622,002,992,084,480/1,077,294,569.92 - Step 6: Final answer
x = 803,514,681.28
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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.