Finding the Fourth Proportional to 9,016,354,372.36, 12,437,399,528.80 and 5,623,373,028.48
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Solution
The fourth proportional to 9,016,354,372.36, 12,437,399,528.80 and 5,623,373,028.48 is: 7,757,030,631.92
Step by Step Solution
- Step 1: Write the proportion equation
9,016,354,372.36 : 12,437,399,528.80 = 5,623,373,028.48 : x - Step 2: Convert to fraction form
9,016,354,372.36/12,437,399,528.80 = 5,623,373,028.48/x - Step 3: Cross multiply
9,016,354,372.36x = 12,437,399,528.80 × 5,623,373,028.48 - Step 4: Simplify right side
9,016,354,372.36x = 69,940,137,054,683,774,976 - Step 5: Solve for x
x = 69,940,137,054,683,774,976/9,016,354,372.36 - Step 6: Final answer
x = 7,757,030,631.92
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1.5x scale
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.