Finding the Fourth Proportional to 1,541,166,604.40, 2,126,809,914.21 and 836,318,585.84
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Solution
The fourth proportional to 1,541,166,604.40, 2,126,809,914.21 and 836,318,585.84 is: 1,154,119,648.53
Step by Step Solution
- Step 1: Write the proportion equation
1,541,166,604.40 : 2,126,809,914.21 = 836,318,585.84 : x - Step 2: Convert to fraction form
1,541,166,604.40/2,126,809,914.21 = 836,318,585.84/x - Step 3: Cross multiply
1,541,166,604.40x = 2,126,809,914.21 × 836,318,585.84 - Step 4: Simplify right side
1,541,166,604.40x = 1,778,690,659,798,417,408 - Step 5: Solve for x
x = 1,778,690,659,798,417,408/1,541,166,604.40 - Step 6: Final answer
x = 1,154,119,648.53
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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.