Finding the Fourth Proportional to 877,623,094.08, 1,211,119,576.74 and 481,137,570.81
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Solution
The fourth proportional to 877,623,094.08, 1,211,119,576.74 and 481,137,570.81 is: 663,969,687.04
Step by Step Solution
- Step 1: Write the proportion equation
877,623,094.08 : 1,211,119,576.74 = 481,137,570.81 : x - Step 2: Convert to fraction form
877,623,094.08/1,211,119,576.74 = 481,137,570.81/x - Step 3: Cross multiply
877,623,094.08x = 1,211,119,576.74 × 481,137,570.81 - Step 4: Simplify right side
877,623,094.08x = 582,715,131,113,118,976 - Step 5: Solve for x
x = 582,715,131,113,118,976/877,623,094.08 - Step 6: Final answer
x = 663,969,687.04
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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.