Finding the Fourth Proportional to 837,324,618.94, 1,155,486,854.84 and 460,977,449.49
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Solution
The fourth proportional to 837,324,618.94, 1,155,486,854.84 and 460,977,449.49 is: 636,137,253.36
Step by Step Solution
- Step 1: Write the proportion equation
837,324,618.94 : 1,155,486,854.84 = 460,977,449.49 : x - Step 2: Convert to fraction form
837,324,618.94/1,155,486,854.84 = 460,977,449.49/x - Step 3: Cross multiply
837,324,618.94x = 1,155,486,854.84 × 460,977,449.49 - Step 4: Simplify right side
837,324,618.94x = 532,653,383,264,517,504 - Step 5: Solve for x
x = 532,653,383,264,517,504/837,324,618.94 - Step 6: Final answer
x = 636,137,253.36
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1.5x scale
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.