Finding the Fourth Proportional to 982,988,439.98, 1,356,528,670.66 and 536,957,991.23
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Solution
The fourth proportional to 982,988,439.98, 1,356,528,670.66 and 536,957,991.23 is: 741,004,553.48
Step by Step Solution
- Step 1: Write the proportion equation
982,988,439.98 : 1,356,528,670.66 = 536,957,991.23 : x - Step 2: Convert to fraction form
982,988,439.98/1,356,528,670.66 = 536,957,991.23/x - Step 3: Cross multiply
982,988,439.98x = 1,356,528,670.66 × 536,957,991.23 - Step 4: Simplify right side
982,988,439.98x = 728,398,910,036,713,216 - Step 5: Solve for x
x = 728,398,910,036,713,216/982,988,439.98 - Step 6: Final answer
x = 741,004,553.48
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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.