Finding the Fourth Proportional to 1,919,214,254.40, 2,878,821,381.60 and 1,609,277,863.20
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Solution
The fourth proportional to 1,919,214,254.40, 2,878,821,381.60 and 1,609,277,863.20 is: 2,413,916,794.80
Step by Step Solution
- Step 1: Write the proportion equation
1,919,214,254.40 : 2,878,821,381.60 = 1,609,277,863.20 : x - Step 2: Convert to fraction form
1,919,214,254.40/2,878,821,381.60 = 1,609,277,863.20/x - Step 3: Cross multiply
1,919,214,254.40x = 2,878,821,381.60 × 1,609,277,863.20 - Step 4: Simplify right side
1,919,214,254.40x = 4,632,823,521,515,719,680 - Step 5: Solve for x
x = 4,632,823,521,515,719,680/1,919,214,254.40 - Step 6: Final answer
x = 2,413,916,794.80
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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.