Finding the Fourth Proportional to 4,801,782,914.20, 6,626,318,102.76 and 2,658,485,098.18
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Solution
The fourth proportional to 4,801,782,914.20, 6,626,318,102.76 and 2,658,485,098.18 is: 3,668,630,641.32
Step by Step Solution
- Step 1: Write the proportion equation
4,801,782,914.20 : 6,626,318,102.76 = 2,658,485,098.18 : x - Step 2: Convert to fraction form
4,801,782,914.20/6,626,318,102.76 = 2,658,485,098.18/x - Step 3: Cross multiply
4,801,782,914.20x = 6,626,318,102.76 × 2,658,485,098.18 - Step 4: Simplify right side
4,801,782,914.20x = 17,615,967,931,987,828,736 - Step 5: Solve for x
x = 17,615,967,931,987,828,736/4,801,782,914.20 - Step 6: Final answer
x = 3,668,630,641.32
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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.