Finding the Fourth Proportional to 5,390,201,224.80, 8,085,301,837.20 and 3,812,034,031.20
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Solution
The fourth proportional to 5,390,201,224.80, 8,085,301,837.20 and 3,812,034,031.20 is: 5,718,051,046.80
Step by Step Solution
- Step 1: Write the proportion equation
5,390,201,224.80 : 8,085,301,837.20 = 3,812,034,031.20 : x - Step 2: Convert to fraction form
5,390,201,224.80/8,085,301,837.20 = 3,812,034,031.20/x - Step 3: Cross multiply
5,390,201,224.80x = 8,085,301,837.20 × 3,812,034,031.20 - Step 4: Simplify right side
5,390,201,224.80x = 30,821,445,755,930,279,936 - Step 5: Solve for x
x = 30,821,445,755,930,279,936/5,390,201,224.80 - Step 6: Final answer
x = 5,718,051,046.80
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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.