Finding the Fourth Proportional to 1,533,040,102.40, 2,299,578,593.92 and 427,577,647.04
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Solution
The fourth proportional to 1,533,040,102.40, 2,299,578,593.92 and 427,577,647.04 is: 641,371,613.72
Step by Step Solution
- Step 1: Write the proportion equation
1,533,040,102.40 : 2,299,578,593.92 = 427,577,647.04 : x - Step 2: Convert to fraction form
1,533,040,102.40/2,299,578,593.92 = 427,577,647.04/x - Step 3: Cross multiply
1,533,040,102.40x = 2,299,578,593.92 × 427,577,647.04 - Step 4: Simplify right side
1,533,040,102.40x = 983,248,404,371,865,344 - Step 5: Solve for x
x = 983,248,404,371,865,344/1,533,040,102.40 - Step 6: Final answer
x = 641,371,613.72
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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.