Finding the Fourth Proportional to 1,858,294,246.12, 2,787,441,368.22 and 693,853,673.96
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Solution
The fourth proportional to 1,858,294,246.12, 2,787,441,368.22 and 693,853,673.96 is: 1,040,780,510.58
Step by Step Solution
- Step 1: Write the proportion equation
1,858,294,246.12 : 2,787,441,368.22 = 693,853,673.96 : x - Step 2: Convert to fraction form
1,858,294,246.12/2,787,441,368.22 = 693,853,673.96/x - Step 3: Cross multiply
1,858,294,246.12x = 2,787,441,368.22 × 693,853,673.96 - Step 4: Simplify right side
1,858,294,246.12x = 1,934,076,434,287,536,128 - Step 5: Solve for x
x = 1,934,076,434,287,536,128/1,858,294,246.12 - Step 6: Final answer
x = 1,040,780,510.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.