Finding the Fourth Proportional to 62,903,859,062.99, 94,369,040,314.56 and 20,405,437,918.10
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Solution
The fourth proportional to 62,903,859,062.99, 94,369,040,314.56 and 20,405,437,918.10 is: 30,612,455,614.23
Step by Step Solution
- Step 1: Write the proportion equation
62,903,859,062.99 : 94,369,040,314.56 = 20,405,437,918.10 : x - Step 2: Convert to fraction form
62,903,859,062.99/94,369,040,314.56 = 20,405,437,918.10/x - Step 3: Cross multiply
62,903,859,062.99x = 94,369,040,314.56 × 20,405,437,918.10 - Step 4: Simplify right side
62,903,859,062.99x = 1,925,641,593,529,233,571,840 - Step 5: Solve for x
x = 1,925,641,593,529,233,571,840/62,903,859,062.99 - Step 6: Final answer
x = 30,612,455,614.23
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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.