Finding the Fourth Proportional to 1,599,991,370,114.10, 2,207,990,277,255.20 and 868,379,787,948.06
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Solution
The fourth proportional to 1,599,991,370,114.10, 2,207,990,277,255.20 and 868,379,787,948.06 is: 1,198,365,294,068.75
Step by Step Solution
- Step 1: Write the proportion equation
1,599,991,370,114.10 : 2,207,990,277,255.20 = 868,379,787,948.06 : x - Step 2: Convert to fraction form
1,599,991,370,114.10/2,207,990,277,255.20 = 868,379,787,948.06/x - Step 3: Cross multiply
1,599,991,370,114.10x = 2,207,990,277,255.20 × 868,379,787,948.06 - Step 4: Simplify right side
1,599,991,370,114.10x = 1,917,374,128,754,249,080,766,464 - Step 5: Solve for x
x = 1,917,374,128,754,249,080,766,464/1,599,991,370,114.10 - Step 6: Final answer
x = 1,198,365,294,068.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.