Finding the Fourth Proportional to 15,630,202,130.60, 21,940,330,511.80 and 15,630,202,130.60
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Solution
The fourth proportional to 15,630,202,130.60, 21,940,330,511.80 and 15,630,202,130.60 is: 21,940,330,511.80
Step by Step Solution
- Step 1: Write the proportion equation
15,630,202,130.60 : 21,940,330,511.80 = 15,630,202,130.60 : x - Step 2: Convert to fraction form
15,630,202,130.60/21,940,330,511.80 = 15,630,202,130.60/x - Step 3: Cross multiply
15,630,202,130.60x = 21,940,330,511.80 × 15,630,202,130.60 - Step 4: Simplify right side
15,630,202,130.60x = 342,931,800,711,604,535,296 - Step 5: Solve for x
x = 342,931,800,711,604,535,296/15,630,202,130.60 - Step 6: Final answer
x = 21,940,330,511.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.