Finding the Fourth Proportional to 4,984,299,502.05, 6,880,451,211.50 and 3,105,632,980.81
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Solution
The fourth proportional to 4,984,299,502.05, 6,880,451,211.50 and 3,105,632,980.81 is: 4,287,093,140.46
Step by Step Solution
- Step 1: Write the proportion equation
4,984,299,502.05 : 6,880,451,211.50 = 3,105,632,980.81 : x - Step 2: Convert to fraction form
4,984,299,502.05/6,880,451,211.50 = 3,105,632,980.81/x - Step 3: Cross multiply
4,984,299,502.05x = 6,880,451,211.50 × 3,105,632,980.81 - Step 4: Simplify right side
4,984,299,502.05x = 21,368,156,205,254,115,328 - Step 5: Solve for x
x = 21,368,156,205,254,115,328/4,984,299,502.05 - Step 6: Final answer
x = 4,287,093,140.46
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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.