Finding the Fourth Proportional to 892,573,423.70, 1,338,860,135.55 and 795,638,585.30
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Solution
The fourth proportional to 892,573,423.70, 1,338,860,135.55 and 795,638,585.30 is: 1,193,457,877.95
Step by Step Solution
- Step 1: Write the proportion equation
892,573,423.70 : 1,338,860,135.55 = 795,638,585.30 : x - Step 2: Convert to fraction form
892,573,423.70/1,338,860,135.55 = 795,638,585.30/x - Step 3: Cross multiply
892,573,423.70x = 1,338,860,135.55 × 795,638,585.30 - Step 4: Simplify right side
892,573,423.70x = 1,065,248,784,163,568,128 - Step 5: Solve for x
x = 1,065,248,784,163,568,128/892,573,423.70 - Step 6: Final answer
x = 1,193,457,877.95
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Double scale
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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.