Finding the Fourth Proportional to 1,069,464,153.72, 1,476,344,119.50 and 673,568,968.44
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Solution
The fourth proportional to 1,069,464,153.72, 1,476,344,119.50 and 673,568,968.44 is: 929,829,749.02
Step by Step Solution
- Step 1: Write the proportion equation
1,069,464,153.72 : 1,476,344,119.50 = 673,568,968.44 : x - Step 2: Convert to fraction form
1,069,464,153.72/1,476,344,119.50 = 673,568,968.44/x - Step 3: Cross multiply
1,069,464,153.72x = 1,476,344,119.50 × 673,568,968.44 - Step 4: Simplify right side
1,069,464,153.72x = 994,419,585,634,075,136 - Step 5: Solve for x
x = 994,419,585,634,075,136/1,069,464,153.72 - Step 6: Final answer
x = 929,829,749.02
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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.