Finding the Fourth Proportional to 1,597,411,593.40, 2,396,237,866.94 and 476,846,778.60
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Solution
The fourth proportional to 1,597,411,593.40, 2,396,237,866.94 and 476,846,778.60 is: 715,306,131.70
Step by Step Solution
- Step 1: Write the proportion equation
1,597,411,593.40 : 2,396,237,866.94 = 476,846,778.60 : x - Step 2: Convert to fraction form
1,597,411,593.40/2,396,237,866.94 = 476,846,778.60/x - Step 3: Cross multiply
1,597,411,593.40x = 2,396,237,866.94 × 476,846,778.60 - Step 4: Simplify right side
1,597,411,593.40x = 1,142,638,307,609,674,496 - Step 5: Solve for x
x = 1,142,638,307,609,674,496/1,597,411,593.40 - Step 6: Final answer
x = 715,306,131.70
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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.