Finding the Fourth Proportional to 1,919,214,114.90, 2,878,821,172.35 and 1,609,277,723.70
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Solution
The fourth proportional to 1,919,214,114.90, 2,878,821,172.35 and 1,609,277,723.70 is: 2,413,916,585.55
Step by Step Solution
- Step 1: Write the proportion equation
1,919,214,114.90 : 2,878,821,172.35 = 1,609,277,723.70 : x - Step 2: Convert to fraction form
1,919,214,114.90/2,878,821,172.35 = 1,609,277,723.70/x - Step 3: Cross multiply
1,919,214,114.90x = 2,878,821,172.35 × 1,609,277,723.70 - Step 4: Simplify right side
1,919,214,114.90x = 4,632,822,783,178,773,504 - Step 5: Solve for x
x = 4,632,822,783,178,773,504/1,919,214,114.90 - Step 6: Final answer
x = 2,413,916,585.55
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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.