Finding the Fourth Proportional to 5,347,203,399.20, 8,020,805,098.80 and 5,120,490,668.60
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Solution
The fourth proportional to 5,347,203,399.20, 8,020,805,098.80 and 5,120,490,668.60 is: 7,680,736,002.90
Step by Step Solution
- Step 1: Write the proportion equation
5,347,203,399.20 : 8,020,805,098.80 = 5,120,490,668.60 : x - Step 2: Convert to fraction form
5,347,203,399.20/8,020,805,098.80 = 5,120,490,668.60/x - Step 3: Cross multiply
5,347,203,399.20x = 8,020,805,098.80 × 5,120,490,668.60 - Step 4: Simplify right side
5,347,203,399.20x = 41,070,457,663,064,702,976 - Step 5: Solve for x
x = 41,070,457,663,064,702,976/5,347,203,399.20 - Step 6: Final answer
x = 7,680,736,002.90
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1.5x scale
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.