Finding the Fourth Proportional to 809,149,337.44, 1,116,352,741.92 and 526,763,197.60
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Solution
The fourth proportional to 809,149,337.44, 1,116,352,741.92 and 526,763,197.60 is: 726,755,263.55
Step by Step Solution
- Step 1: Write the proportion equation
809,149,337.44 : 1,116,352,741.92 = 526,763,197.60 : x - Step 2: Convert to fraction form
809,149,337.44/1,116,352,741.92 = 526,763,197.60/x - Step 3: Cross multiply
809,149,337.44x = 1,116,352,741.92 × 526,763,197.60 - Step 4: Simplify right side
809,149,337.44x = 588,053,539,983,306,880 - Step 5: Solve for x
x = 588,053,539,983,306,880/809,149,337.44 - Step 6: Final answer
x = 726,755,263.55
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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.