Finding the Fourth Proportional to 461,202,205.80, 691,803,308.70 and 461,202,205.80
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Solution
The fourth proportional to 461,202,205.80, 691,803,308.70 and 461,202,205.80 is: 691,803,308.70
Step by Step Solution
- Step 1: Write the proportion equation
461,202,205.80 : 691,803,308.70 = 461,202,205.80 : x - Step 2: Convert to fraction form
461,202,205.80/691,803,308.70 = 461,202,205.80/x - Step 3: Cross multiply
461,202,205.80x = 691,803,308.70 × 461,202,205.80 - Step 4: Simplify right side
461,202,205.80x = 319,061,211,952,178,368 - Step 5: Solve for x
x = 319,061,211,952,178,368/461,202,205.80 - Step 6: Final answer
x = 691,803,308.70
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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.