Finding the Fourth Proportional to 7,006,812,594.96, 9,668,361,255.44 and 4,255,638,211.92
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Solution
The fourth proportional to 7,006,812,594.96, 9,668,361,255.44 and 4,255,638,211.92 is: 5,872,149,004.65
Step by Step Solution
- Step 1: Write the proportion equation
7,006,812,594.96 : 9,668,361,255.44 = 4,255,638,211.92 : x - Step 2: Convert to fraction form
7,006,812,594.96/9,668,361,255.44 = 4,255,638,211.92/x - Step 3: Cross multiply
7,006,812,594.96x = 9,668,361,255.44 × 4,255,638,211.92 - Step 4: Simplify right side
7,006,812,594.96x = 41,145,047,605,297,291,264 - Step 5: Solve for x
x = 41,145,047,605,297,291,264/7,006,812,594.96 - Step 6: Final answer
x = 5,872,149,004.65
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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.