Finding the Fourth Proportional to 3,884,257,268.04, 5,360,690,430.54 and 2,379,881,985.96
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Solution
The fourth proportional to 3,884,257,268.04, 5,360,690,430.54 and 2,379,881,985.96 is: 3,284,491,656.34
Step by Step Solution
- Step 1: Write the proportion equation
3,884,257,268.04 : 5,360,690,430.54 = 2,379,881,985.96 : x - Step 2: Convert to fraction form
3,884,257,268.04/5,360,690,430.54 = 2,379,881,985.96/x - Step 3: Cross multiply
3,884,257,268.04x = 5,360,690,430.54 × 2,379,881,985.96 - Step 4: Simplify right side
3,884,257,268.04x = 12,757,810,587,950,303,232 - Step 5: Solve for x
x = 12,757,810,587,950,303,232/3,884,257,268.04 - Step 6: Final answer
x = 3,284,491,656.34
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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.