Finding the Fourth Proportional to 610,890,147.30, 916,335,220.95 and 201,946,297.80
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Solution
The fourth proportional to 610,890,147.30, 916,335,220.95 and 201,946,297.80 is: 302,919,446.70
Step by Step Solution
- Step 1: Write the proportion equation
610,890,147.30 : 916,335,220.95 = 201,946,297.80 : x - Step 2: Convert to fraction form
610,890,147.30/916,335,220.95 = 201,946,297.80/x - Step 3: Cross multiply
610,890,147.30x = 916,335,220.95 × 201,946,297.80 - Step 4: Simplify right side
610,890,147.30x = 185,050,505,414,597,504 - Step 5: Solve for x
x = 185,050,505,414,597,504/610,890,147.30 - Step 6: Final answer
x = 302,919,446.70
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Similar ratio
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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.