Finding the Fourth Proportional to 1,717,549,400.70, 2,576,324,101.05 and 613,401,007.05
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Solution
The fourth proportional to 1,717,549,400.70, 2,576,324,101.05 and 613,401,007.05 is: 920,101,510.58
Step by Step Solution
- Step 1: Write the proportion equation
1,717,549,400.70 : 2,576,324,101.05 = 613,401,007.05 : x - Step 2: Convert to fraction form
1,717,549,400.70/2,576,324,101.05 = 613,401,007.05/x - Step 3: Cross multiply
1,717,549,400.70x = 2,576,324,101.05 × 613,401,007.05 - Step 4: Simplify right side
1,717,549,400.70x = 1,580,319,798,071,256,064 - Step 5: Solve for x
x = 1,580,319,798,071,256,064/1,717,549,400.70 - Step 6: Final answer
x = 920,101,510.58
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Double scale
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Similar ratio
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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.