Finding the Fourth Proportional to 9,320,029,012.49, 12,861,639,545.30 and 5,033,241,919.70
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Solution
The fourth proportional to 9,320,029,012.49, 12,861,639,545.30 and 5,033,241,919.70 is: 6,945,873,583.52
Step by Step Solution
- Step 1: Write the proportion equation
9,320,029,012.49 : 12,861,639,545.30 = 5,033,241,919.70 : x - Step 2: Convert to fraction form
9,320,029,012.49/12,861,639,545.30 = 5,033,241,919.70/x - Step 3: Cross multiply
9,320,029,012.49x = 12,861,639,545.30 × 5,033,241,919.70 - Step 4: Simplify right side
9,320,029,012.49x = 64,735,743,315,457,318,912 - Step 5: Solve for x
x = 64,735,743,315,457,318,912/9,320,029,012.49 - Step 6: Final answer
x = 6,945,873,583.52
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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.