Finding the Fourth Proportional to 649,653,568.20, 974,480,352.30 and 504,534,745.80
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Solution
The fourth proportional to 649,653,568.20, 974,480,352.30 and 504,534,745.80 is: 756,802,118.70
Step by Step Solution
- Step 1: Write the proportion equation
649,653,568.20 : 974,480,352.30 = 504,534,745.80 : x - Step 2: Convert to fraction form
649,653,568.20/974,480,352.30 = 504,534,745.80/x - Step 3: Cross multiply
649,653,568.20x = 974,480,352.30 × 504,534,745.80 - Step 4: Simplify right side
649,653,568.20x = 491,659,196,834,774,912 - Step 5: Solve for x
x = 491,659,196,834,774,912/649,653,568.20 - Step 6: Final answer
x = 756,802,118.70
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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.