Finding the Fourth Proportional to 724,067,551.20, 1,086,101,326.80 and 264,020,728.80
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Solution
The fourth proportional to 724,067,551.20, 1,086,101,326.80 and 264,020,728.80 is: 396,031,093.20
Step by Step Solution
- Step 1: Write the proportion equation
724,067,551.20 : 1,086,101,326.80 = 264,020,728.80 : x - Step 2: Convert to fraction form
724,067,551.20/1,086,101,326.80 = 264,020,728.80/x - Step 3: Cross multiply
724,067,551.20x = 1,086,101,326.80 × 264,020,728.80 - Step 4: Simplify right side
724,067,551.20x = 286,753,263,852,382,976 - Step 5: Solve for x
x = 286,753,263,852,382,976/724,067,551.20 - Step 6: Final answer
x = 396,031,093.20
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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.