Finding the Fourth Proportional to 4,842,792,212.80, 7,264,188,319.20 and 4,429,543,691.20
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Solution
The fourth proportional to 4,842,792,212.80, 7,264,188,319.20 and 4,429,543,691.20 is: 6,644,315,536.80
Step by Step Solution
- Step 1: Write the proportion equation
4,842,792,212.80 : 7,264,188,319.20 = 4,429,543,691.20 : x - Step 2: Convert to fraction form
4,842,792,212.80/7,264,188,319.20 = 4,429,543,691.20/x - Step 3: Cross multiply
4,842,792,212.80x = 7,264,188,319.20 × 4,429,543,691.20 - Step 4: Simplify right side
4,842,792,212.80x = 32,177,039,541,001,089,024 - Step 5: Solve for x
x = 32,177,039,541,001,089,024/4,842,792,212.80 - Step 6: Final answer
x = 6,644,315,536.80
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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.