Finding the Fourth Proportional to 7,193,387,550.65, 10,737,394,132.59 and 6,344,210,266.32
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Solution
The fourth proportional to 7,193,387,550.65, 10,737,394,132.59 and 6,344,210,266.32 is: 9,469,847,913.79
Step by Step Solution
- Step 1: Write the proportion equation
7,193,387,550.65 : 10,737,394,132.59 = 6,344,210,266.32 : x - Step 2: Convert to fraction form
7,193,387,550.65/10,737,394,132.59 = 6,344,210,266.32/x - Step 3: Cross multiply
7,193,387,550.65x = 10,737,394,132.59 × 6,344,210,266.32 - Step 4: Simplify right side
7,193,387,550.65x = 68,120,286,089,539,190,784 - Step 5: Solve for x
x = 68,120,286,089,539,190,784/7,193,387,550.65 - Step 6: Final answer
x = 9,469,847,913.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.