Finding the Fourth Proportional to 1,051,180,358.46, 1,450,638,293.85 and 581,313,293.70
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Solution
The fourth proportional to 1,051,180,358.46, 1,450,638,293.85 and 581,313,293.70 is: 802,217,543.14
Step by Step Solution
- Step 1: Write the proportion equation
1,051,180,358.46 : 1,450,638,293.85 = 581,313,293.70 : x - Step 2: Convert to fraction form
1,051,180,358.46/1,450,638,293.85 = 581,313,293.70/x - Step 3: Cross multiply
1,051,180,358.46x = 1,450,638,293.85 × 581,313,293.70 - Step 4: Simplify right side
1,051,180,358.46x = 843,275,324,565,291,904 - Step 5: Solve for x
x = 843,275,324,565,291,904/1,051,180,358.46 - Step 6: Final answer
x = 802,217,543.14
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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.