Finding the Fourth Proportional to 728,842,045.68, 1,093,876,219.16 and 682,873,644.76
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Solution
The fourth proportional to 728,842,045.68, 1,093,876,219.16 and 682,873,644.76 is: 1,024,884,946.09
Step by Step Solution
- Step 1: Write the proportion equation
728,842,045.68 : 1,093,876,219.16 = 682,873,644.76 : x - Step 2: Convert to fraction form
728,842,045.68/1,093,876,219.16 = 682,873,644.76/x - Step 3: Cross multiply
728,842,045.68x = 1,093,876,219.16 × 682,873,644.76 - Step 4: Simplify right side
728,842,045.68x = 746,979,240,694,077,824 - Step 5: Solve for x
x = 746,979,240,694,077,824/728,842,045.68 - Step 6: Final answer
x = 1,024,884,946.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.