Finding the Fourth Proportional to 1,130,644,617.48, 1,695,967,517.88 and 354,350,738.88
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Solution
The fourth proportional to 1,130,644,617.48, 1,695,967,517.88 and 354,350,738.88 is: 531,526,293.75
Step by Step Solution
- Step 1: Write the proportion equation
1,130,644,617.48 : 1,695,967,517.88 = 354,350,738.88 : x - Step 2: Convert to fraction form
1,130,644,617.48/1,695,967,517.88 = 354,350,738.88/x - Step 3: Cross multiply
1,130,644,617.48x = 1,695,967,517.88 × 354,350,738.88 - Step 4: Simplify right side
1,130,644,617.48x = 600,967,343,077,257,600 - Step 5: Solve for x
x = 600,967,343,077,257,600/1,130,644,617.48 - Step 6: Final answer
x = 531,526,293.75
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1.5x scale
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.