Finding the Fourth Proportional to 4,970,791,728.24, 6,859,838,013.45 and 2,712,876,074.44
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Solution
The fourth proportional to 4,970,791,728.24, 6,859,838,013.45 and 2,712,876,074.44 is: 3,743,848,352.26
Step by Step Solution
- Step 1: Write the proportion equation
4,970,791,728.24 : 6,859,838,013.45 = 2,712,876,074.44 : x - Step 2: Convert to fraction form
4,970,791,728.24/6,859,838,013.45 = 2,712,876,074.44/x - Step 3: Cross multiply
4,970,791,728.24x = 6,859,838,013.45 × 2,712,876,074.44 - Step 4: Simplify right side
4,970,791,728.24x = 18,609,890,421,222,522,880 - Step 5: Solve for x
x = 18,609,890,421,222,522,880/4,970,791,728.24 - Step 6: Final answer
x = 3,743,848,352.26
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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.