Finding the Fourth Proportional to 864,851,853.15, 1,297,348,580.21 and 251,435,328.03
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Solution
The fourth proportional to 864,851,853.15, 1,297,348,580.21 and 251,435,328.03 is: 377,173,575.62
Step by Step Solution
- Step 1: Write the proportion equation
864,851,853.15 : 1,297,348,580.21 = 251,435,328.03 : x - Step 2: Convert to fraction form
864,851,853.15/1,297,348,580.21 = 251,435,328.03/x - Step 3: Cross multiply
864,851,853.15x = 1,297,348,580.21 × 251,435,328.03 - Step 4: Simplify right side
864,851,853.15x = 326,199,265,833,098,944 - Step 5: Solve for x
x = 326,199,265,833,098,944/864,851,853.15 - Step 6: Final answer
x = 377,173,575.62
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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.