Finding the Fourth Proportional to 897,372,412.92, 1,348,425,893.82 and 483,155,487.72
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Solution
The fourth proportional to 897,372,412.92, 1,348,425,893.82 and 483,155,487.72 is: 726,007,798.99
Step by Step Solution
- Step 1: Write the proportion equation
897,372,412.92 : 1,348,425,893.82 = 483,155,487.72 : x - Step 2: Convert to fraction form
897,372,412.92/1,348,425,893.82 = 483,155,487.72/x - Step 3: Cross multiply
897,372,412.92x = 1,348,425,893.82 × 483,155,487.72 - Step 4: Simplify right side
897,372,412.92x = 651,499,370,382,879,104 - Step 5: Solve for x
x = 651,499,370,382,879,104/897,372,412.92 - Step 6: Final answer
x = 726,007,798.99
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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.