Finding the Fourth Proportional to 1,858,294,213.12, 2,787,441,318.72 and 693,853,640.96
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Solution
The fourth proportional to 1,858,294,213.12, 2,787,441,318.72 and 693,853,640.96 is: 1,040,780,461.08
Step by Step Solution
- Step 1: Write the proportion equation
1,858,294,213.12 : 2,787,441,318.72 = 693,853,640.96 : x - Step 2: Convert to fraction form
1,858,294,213.12/2,787,441,318.72 = 693,853,640.96/x - Step 3: Cross multiply
1,858,294,213.12x = 2,787,441,318.72 × 693,853,640.96 - Step 4: Simplify right side
1,858,294,213.12x = 1,934,076,307,956,215,808 - Step 5: Solve for x
x = 1,934,076,307,956,215,808/1,858,294,213.12 - Step 6: Final answer
x = 1,040,780,461.08
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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.