Finding the Fourth Proportional to 3,988,229,365.30, 5,982,344,047.95 and 3,308,752,117.30
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Solution
The fourth proportional to 3,988,229,365.30, 5,982,344,047.95 and 3,308,752,117.30 is: 4,963,128,175.95
Step by Step Solution
- Step 1: Write the proportion equation
3,988,229,365.30 : 5,982,344,047.95 = 3,308,752,117.30 : x - Step 2: Convert to fraction form
3,988,229,365.30/5,982,344,047.95 = 3,308,752,117.30/x - Step 3: Cross multiply
3,988,229,365.30x = 5,982,344,047.95 × 3,308,752,117.30 - Step 4: Simplify right side
3,988,229,365.30x = 19,794,093,535,071,617,024 - Step 5: Solve for x
x = 19,794,093,535,071,617,024/3,988,229,365.30 - Step 6: Final answer
x = 4,963,128,175.95
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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.