Finding the Fourth Proportional to 864,790,294.62, 1,297,221,316.56 and 251,374,520.28
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Solution
The fourth proportional to 864,790,294.62, 1,297,221,316.56 and 251,374,520.28 is: 377,072,208.34
Step by Step Solution
- Step 1: Write the proportion equation
864,790,294.62 : 1,297,221,316.56 = 251,374,520.28 : x - Step 2: Convert to fraction form
864,790,294.62/1,297,221,316.56 = 251,374,520.28/x - Step 3: Cross multiply
864,790,294.62x = 1,297,221,316.56 × 251,374,520.28 - Step 4: Simplify right side
864,790,294.62x = 326,088,386,147,260,032 - Step 5: Solve for x
x = 326,088,386,147,260,032/864,790,294.62 - Step 6: Final answer
x = 377,072,208.34
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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.