Finding the Fourth Proportional to 1,051,180,359.46, 1,450,638,295.23 and 581,313,294.70
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Solution
The fourth proportional to 1,051,180,359.46, 1,450,638,295.23 and 581,313,294.70 is: 802,217,544.52
Step by Step Solution
- Step 1: Write the proportion equation
1,051,180,359.46 : 1,450,638,295.23 = 581,313,294.70 : x - Step 2: Convert to fraction form
1,051,180,359.46/1,450,638,295.23 = 581,313,294.70/x - Step 3: Cross multiply
1,051,180,359.46x = 1,450,638,295.23 × 581,313,294.70 - Step 4: Simplify right side
1,051,180,359.46x = 843,275,326,818,142,720 - Step 5: Solve for x
x = 843,275,326,818,142,720/1,051,180,359.46 - Step 6: Final answer
x = 802,217,544.52
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1.5x scale
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.