Finding the Fourth Proportional to 791,506,163.18, 1,187,441,643.31 and 273,936,609.81
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Solution
The fourth proportional to 791,506,163.18, 1,187,441,643.31 and 273,936,609.81 is: 410,968,042.00
Step by Step Solution
- Step 1: Write the proportion equation
791,506,163.18 : 1,187,441,643.31 = 273,936,609.81 : x - Step 2: Convert to fraction form
791,506,163.18/1,187,441,643.31 = 273,936,609.81/x - Step 3: Cross multiply
791,506,163.18x = 1,187,441,643.31 × 273,936,609.81 - Step 4: Simplify right side
791,506,163.18x = 325,283,738,114,871,808 - Step 5: Solve for x
x = 325,283,738,114,871,808/791,506,163.18 - Step 6: Final answer
x = 410,968,042.00
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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.