Finding the Fourth Proportional to 4,880,564,529.48, 6,735,915,275.11 and 2,976,430,691.25
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Solution
The fourth proportional to 4,880,564,529.48, 6,735,915,275.11 and 2,976,430,691.25 is: 4,107,923,343.17
Step by Step Solution
- Step 1: Write the proportion equation
4,880,564,529.48 : 6,735,915,275.11 = 2,976,430,691.25 : x - Step 2: Convert to fraction form
4,880,564,529.48/6,735,915,275.11 = 2,976,430,691.25/x - Step 3: Cross multiply
4,880,564,529.48x = 6,735,915,275.11 × 2,976,430,691.25 - Step 4: Simplify right side
4,880,564,529.48x = 20,048,984,958,489,649,152 - Step 5: Solve for x
x = 20,048,984,958,489,649,152/4,880,564,529.48 - Step 6: Final answer
x = 4,107,923,343.17
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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.