Finding the Fourth Proportional to 6,952,269,220.74, 9,594,313,357.32 and 3,780,638,632.98
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Solution
The fourth proportional to 6,952,269,220.74, 9,594,313,357.32 and 3,780,638,632.98 is: 5,217,380,193.99
Step by Step Solution
- Step 1: Write the proportion equation
6,952,269,220.74 : 9,594,313,357.32 = 3,780,638,632.98 : x - Step 2: Convert to fraction form
6,952,269,220.74/9,594,313,357.32 = 3,780,638,632.98/x - Step 3: Cross multiply
6,952,269,220.74x = 9,594,313,357.32 × 3,780,638,632.98 - Step 4: Simplify right side
6,952,269,220.74x = 36,272,631,735,600,037,888 - Step 5: Solve for x
x = 36,272,631,735,600,037,888/6,952,269,220.74 - Step 6: Final answer
x = 5,217,380,193.99
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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.