Finding the Fourth Proportional to 848,681,246.40, 1,273,021,869.60 and 746,644,574.40
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Solution
The fourth proportional to 848,681,246.40, 1,273,021,869.60 and 746,644,574.40 is: 1,119,966,861.60
Step by Step Solution
- Step 1: Write the proportion equation
848,681,246.40 : 1,273,021,869.60 = 746,644,574.40 : x - Step 2: Convert to fraction form
848,681,246.40/1,273,021,869.60 = 746,644,574.40/x - Step 3: Cross multiply
848,681,246.40x = 1,273,021,869.60 × 746,644,574.40 - Step 4: Simplify right side
848,681,246.40x = 950,494,872,029,384,192 - Step 5: Solve for x
x = 950,494,872,029,384,192/848,681,246.40 - Step 6: Final answer
x = 1,119,966,861.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.