Finding the Fourth Proportional to 896,524,135.22, 1,237,207,603.68 and 494,637,863.68
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Solution
The fourth proportional to 896,524,135.22, 1,237,207,603.68 and 494,637,863.68 is: 682,602,622.70
Step by Step Solution
- Step 1: Write the proportion equation
896,524,135.22 : 1,237,207,603.68 = 494,637,863.68 : x - Step 2: Convert to fraction form
896,524,135.22/1,237,207,603.68 = 494,637,863.68/x - Step 3: Cross multiply
896,524,135.22x = 1,237,207,603.68 × 494,637,863.68 - Step 4: Simplify right side
896,524,135.22x = 611,969,726,012,927,360 - Step 5: Solve for x
x = 611,969,726,012,927,360/896,524,135.22 - Step 6: Final answer
x = 682,602,622.70
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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.