Finding the Fourth Proportional to 991,058,222.90, 1,483,353,805.48 and 728,673,204.08
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Solution
The fourth proportional to 991,058,222.90, 1,483,353,805.48 and 728,673,204.08 is: 1,090,632,361.70
Step by Step Solution
- Step 1: Write the proportion equation
991,058,222.90 : 1,483,353,805.48 = 728,673,204.08 : x - Step 2: Convert to fraction form
991,058,222.90/1,483,353,805.48 = 728,673,204.08/x - Step 3: Cross multiply
991,058,222.90x = 1,483,353,805.48 × 728,673,204.08 - Step 4: Simplify right side
991,058,222.90x = 1,080,880,170,225,259,264 - Step 5: Solve for x
x = 1,080,880,170,225,259,264/991,058,222.90 - Step 6: Final answer
x = 1,090,632,361.70
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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.