Finding the Fourth Proportional to 1,919,214,245.40, 2,878,821,368.10 and 1,609,277,854.20
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Solution
The fourth proportional to 1,919,214,245.40, 2,878,821,368.10 and 1,609,277,854.20 is: 2,413,916,781.30
Step by Step Solution
- Step 1: Write the proportion equation
1,919,214,245.40 : 2,878,821,368.10 = 1,609,277,854.20 : x - Step 2: Convert to fraction form
1,919,214,245.40/2,878,821,368.10 = 1,609,277,854.20/x - Step 3: Cross multiply
1,919,214,245.40x = 2,878,821,368.10 × 1,609,277,854.20 - Step 4: Simplify right side
1,919,214,245.40x = 4,632,823,473,881,076,736 - Step 5: Solve for x
x = 4,632,823,473,881,076,736/1,919,214,245.40 - Step 6: Final answer
x = 2,413,916,781.30
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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.