Finding the Fourth Proportional to 892,573,423.20, 1,338,860,134.80 and 795,638,584.80
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Solution
The fourth proportional to 892,573,423.20, 1,338,860,134.80 and 795,638,584.80 is: 1,193,457,877.20
Step by Step Solution
- Step 1: Write the proportion equation
892,573,423.20 : 1,338,860,134.80 = 795,638,584.80 : x - Step 2: Convert to fraction form
892,573,423.20/1,338,860,134.80 = 795,638,584.80/x - Step 3: Cross multiply
892,573,423.20x = 1,338,860,134.80 × 795,638,584.80 - Step 4: Simplify right side
892,573,423.20x = 1,065,248,782,897,409,152 - Step 5: Solve for x
x = 1,065,248,782,897,409,152/892,573,423.20 - Step 6: Final answer
x = 1,193,457,877.20
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Similar ratio
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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.