Finding the Fourth Proportional to 819,799,009.40, 1,229,698,514.10 and 237,552,249.80
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Solution
The fourth proportional to 819,799,009.40, 1,229,698,514.10 and 237,552,249.80 is: 356,328,374.70
Step by Step Solution
- Step 1: Write the proportion equation
819,799,009.40 : 1,229,698,514.10 = 237,552,249.80 : x - Step 2: Convert to fraction form
819,799,009.40/1,229,698,514.10 = 237,552,249.80/x - Step 3: Cross multiply
819,799,009.40x = 1,229,698,514.10 × 237,552,249.80 - Step 4: Simplify right side
819,799,009.40x = 292,117,648,600,172,032 - Step 5: Solve for x
x = 292,117,648,600,172,032/819,799,009.40 - Step 6: Final answer
x = 356,328,374.70
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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.