Finding the Fourth Proportional to 1,885,411,605.40, 2,601,765,716.34 and 1,038,474,160.36
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Solution
The fourth proportional to 1,885,411,605.40, 2,601,765,716.34 and 1,038,474,160.36 is: 1,433,037,995.52
Step by Step Solution
- Step 1: Write the proportion equation
1,885,411,605.40 : 2,601,765,716.34 = 1,038,474,160.36 : x - Step 2: Convert to fraction form
1,885,411,605.40/2,601,765,716.34 = 1,038,474,160.36/x - Step 3: Cross multiply
1,885,411,605.40x = 2,601,765,716.34 × 1,038,474,160.36 - Step 4: Simplify right side
1,885,411,605.40x = 2,701,866,467,729,615,872 - Step 5: Solve for x
x = 2,701,866,467,729,615,872/1,885,411,605.40 - Step 6: Final answer
x = 1,433,037,995.52
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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.