Finding the Fourth Proportional to 442,871,729,927.70, 664,243,097,637.15 and 128,770,100,999.70
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Solution
The fourth proportional to 442,871,729,927.70, 664,243,097,637.15 and 128,770,100,999.70 is: 193,136,398,173.47
Step by Step Solution
- Step 1: Write the proportion equation
442,871,729,927.70 : 664,243,097,637.15 = 128,770,100,999.70 : x - Step 2: Convert to fraction form
442,871,729,927.70/664,243,097,637.15 = 128,770,100,999.70/x - Step 3: Cross multiply
442,871,729,927.70x = 664,243,097,637.15 × 128,770,100,999.70 - Step 4: Simplify right side
442,871,729,927.70x = 85,534,650,771,089,391,616,000 - Step 5: Solve for x
x = 85,534,650,771,089,391,616,000/442,871,729,927.70 - Step 6: Final answer
x = 193,136,398,173.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.