Finding the Fourth Proportional to 1,348,246,343.02, 2,022,369,514.52 and 378,897,959.02
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Solution
The fourth proportional to 1,348,246,343.02, 2,022,369,514.52 and 378,897,959.02 is: 568,346,938.52
Step by Step Solution
- Step 1: Write the proportion equation
1,348,246,343.02 : 2,022,369,514.52 = 378,897,959.02 : x - Step 2: Convert to fraction form
1,348,246,343.02/2,022,369,514.52 = 378,897,959.02/x - Step 3: Cross multiply
1,348,246,343.02x = 2,022,369,514.52 × 378,897,959.02 - Step 4: Simplify right side
1,348,246,343.02x = 766,271,681,428,667,520 - Step 5: Solve for x
x = 766,271,681,428,667,520/1,348,246,343.02 - Step 6: Final answer
x = 568,346,938.52
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Double scale
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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.