Finding the Fourth Proportional to 7,015,874,883.24, 9,679,523,825.52 and 4,002,963,135.90
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Solution
The fourth proportional to 7,015,874,883.24, 9,679,523,825.52 and 4,002,963,135.90 is: 5,522,729,195.07
Step by Step Solution
- Step 1: Write the proportion equation
7,015,874,883.24 : 9,679,523,825.52 = 4,002,963,135.90 : x - Step 2: Convert to fraction form
7,015,874,883.24/9,679,523,825.52 = 4,002,963,135.90/x - Step 3: Cross multiply
7,015,874,883.24x = 9,679,523,825.52 × 4,002,963,135.90 - Step 4: Simplify right side
7,015,874,883.24x = 38,746,777,046,622,306,304 - Step 5: Solve for x
x = 38,746,777,046,622,306,304/7,015,874,883.24 - Step 6: Final answer
x = 5,522,729,195.07
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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.