Finding the Fourth Proportional to 719,089,928.99, 992,061,754.77 and 417,623,922.17
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Solution
The fourth proportional to 719,089,928.99, 992,061,754.77 and 417,623,922.17 is: 576,157,034.55
Step by Step Solution
- Step 1: Write the proportion equation
719,089,928.99 : 992,061,754.77 = 417,623,922.17 : x - Step 2: Convert to fraction form
719,089,928.99/992,061,754.77 = 417,623,922.17/x - Step 3: Cross multiply
719,089,928.99x = 992,061,754.77 × 417,623,922.17 - Step 4: Simplify right side
719,089,928.99x = 414,308,721,056,939,840 - Step 5: Solve for x
x = 414,308,721,056,939,840/719,089,928.99 - Step 6: Final answer
x = 576,157,034.55
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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.