Finding the Fourth Proportional to 1,919,214,272.40, 2,878,821,408.60 and 1,609,277,881.20
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Solution
The fourth proportional to 1,919,214,272.40, 2,878,821,408.60 and 1,609,277,881.20 is: 2,413,916,821.80
Step by Step Solution
- Step 1: Write the proportion equation
1,919,214,272.40 : 2,878,821,408.60 = 1,609,277,881.20 : x - Step 2: Convert to fraction form
1,919,214,272.40/2,878,821,408.60 = 1,609,277,881.20/x - Step 3: Cross multiply
1,919,214,272.40x = 2,878,821,408.60 × 1,609,277,881.20 - Step 4: Simplify right side
1,919,214,272.40x = 4,632,823,616,785,007,616 - Step 5: Solve for x
x = 4,632,823,616,785,007,616/1,919,214,272.40 - Step 6: Final answer
x = 2,413,916,821.80
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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.