Finding the Fourth Proportional to 1,599,991,370,155.10, 2,207,990,277,311.80 and 868,379,787,988.96
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Solution
The fourth proportional to 1,599,991,370,155.10, 2,207,990,277,311.80 and 868,379,787,988.96 is: 1,198,365,294,125.20
Step by Step Solution
- Step 1: Write the proportion equation
1,599,991,370,155.10 : 2,207,990,277,311.80 = 868,379,787,988.96 : x - Step 2: Convert to fraction form
1,599,991,370,155.10/2,207,990,277,311.80 = 868,379,787,988.96/x - Step 3: Cross multiply
1,599,991,370,155.10x = 2,207,990,277,311.80 × 868,379,787,988.96 - Step 4: Simplify right side
1,599,991,370,155.10x = 1,917,374,128,893,705,595,125,760 - Step 5: Solve for x
x = 1,917,374,128,893,705,595,125,760/1,599,991,370,155.10 - Step 6: Final answer
x = 1,198,365,294,125.20
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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.