Finding the Fourth Proportional to 941,424,548.56, 1,299,177,630.66 and 518,086,915
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Solution
The fourth proportional to 941,424,548.56, 1,299,177,630.66 and 518,086,915 is: 714,966,410.99
Step by Step Solution
- Step 1: Write the proportion equation
941,424,548.56 : 1,299,177,630.66 = 518,086,915 : x - Step 2: Convert to fraction form
941,424,548.56/1,299,177,630.66 = 518,086,915/x - Step 3: Cross multiply
941,424,548.56x = 1,299,177,630.66 × 518,086,915 - Step 4: Simplify right side
941,424,548.56x = 673,086,930,705,648,896 - Step 5: Solve for x
x = 673,086,930,705,648,896/941,424,548.56 - Step 6: Final answer
x = 714,966,410.99
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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.