Finding the Fourth Proportional to 270,864,353.60, 406,296,530.40 and 201,888,123.20
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Solution
The fourth proportional to 270,864,353.60, 406,296,530.40 and 201,888,123.20 is: 302,832,184.80
Step by Step Solution
- Step 1: Write the proportion equation
270,864,353.60 : 406,296,530.40 = 201,888,123.20 : x - Step 2: Convert to fraction form
270,864,353.60/406,296,530.40 = 201,888,123.20/x - Step 3: Cross multiply
270,864,353.60x = 406,296,530.40 × 201,888,123.20 - Step 4: Simplify right side
270,864,353.60x = 82,026,443,985,127,728 - Step 5: Solve for x
x = 82,026,443,985,127,728/270,864,353.60 - Step 6: Final answer
x = 302,832,184.80
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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.