Finding the Fourth Proportional to 982,988,441.30, 1,356,528,672.47 and 536,957,992.54
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Solution
The fourth proportional to 982,988,441.30, 1,356,528,672.47 and 536,957,992.54 is: 741,004,555.28
Step by Step Solution
- Step 1: Write the proportion equation
982,988,441.30 : 1,356,528,672.47 = 536,957,992.54 : x - Step 2: Convert to fraction form
982,988,441.30/1,356,528,672.47 = 536,957,992.54/x - Step 3: Cross multiply
982,988,441.30x = 1,356,528,672.47 × 536,957,992.54 - Step 4: Simplify right side
982,988,441.30x = 728,398,912,792,442,368 - Step 5: Solve for x
x = 728,398,912,792,442,368/982,988,441.30 - Step 6: Final answer
x = 741,004,555.28
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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.