Finding the Fourth Proportional to 1,872,451,378.80, 2,583,003,226.77 and 1,157,758,466.67
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Solution
The fourth proportional to 1,872,451,378.80, 2,583,003,226.77 and 1,157,758,466.67 is: 1,597,100,938.95
Step by Step Solution
- Step 1: Write the proportion equation
1,872,451,378.80 : 2,583,003,226.77 = 1,157,758,466.67 : x - Step 2: Convert to fraction form
1,872,451,378.80/2,583,003,226.77 = 1,157,758,466.67/x - Step 3: Cross multiply
1,872,451,378.80x = 2,583,003,226.77 × 1,157,758,466.67 - Step 4: Simplify right side
1,872,451,378.80x = 2,990,493,855,228,897,792 - Step 5: Solve for x
x = 2,990,493,855,228,897,792/1,872,451,378.80 - Step 6: Final answer
x = 1,597,100,938.95
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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.