Finding the Fourth Proportional to 925,641,813.49, 1,277,422,531.41 and 507,969,045.70
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Solution
The fourth proportional to 925,641,813.49, 1,277,422,531.41 and 507,969,045.70 is: 701,017,493.79
Step by Step Solution
- Step 1: Write the proportion equation
925,641,813.49 : 1,277,422,531.41 = 507,969,045.70 : x - Step 2: Convert to fraction form
925,641,813.49/1,277,422,531.41 = 507,969,045.70/x - Step 3: Cross multiply
925,641,813.49x = 1,277,422,531.41 × 507,969,045.70 - Step 4: Simplify right side
925,641,813.49x = 648,891,104,236,016,000 - Step 5: Solve for x
x = 648,891,104,236,016,000/925,641,813.49 - Step 6: Final answer
x = 701,017,493.79
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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.