Finding the Fourth Proportional to 1,868,374,402.20, 2,800,648,415.70 and 1,091,620,236.60
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Solution
The fourth proportional to 1,868,374,402.20, 2,800,648,415.70 and 1,091,620,236.60 is: 1,636,312,552.01
Step by Step Solution
- Step 1: Write the proportion equation
1,868,374,402.20 : 2,800,648,415.70 = 1,091,620,236.60 : x - Step 2: Convert to fraction form
1,868,374,402.20/2,800,648,415.70 = 1,091,620,236.60/x - Step 3: Cross multiply
1,868,374,402.20x = 2,800,648,415.70 × 1,091,620,236.60 - Step 4: Simplify right side
1,868,374,402.20x = 3,057,244,486,179,848,704 - Step 5: Solve for x
x = 3,057,244,486,179,848,704/1,868,374,402.20 - Step 6: Final answer
x = 1,636,312,552.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.