Finding the Fourth Proportional to 892,573,669.20, 1,338,860,503.80 and 795,638,830.80
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Solution
The fourth proportional to 892,573,669.20, 1,338,860,503.80 and 795,638,830.80 is: 1,193,458,246.20
Step by Step Solution
- Step 1: Write the proportion equation
892,573,669.20 : 1,338,860,503.80 = 795,638,830.80 : x - Step 2: Convert to fraction form
892,573,669.20/1,338,860,503.80 = 795,638,830.80/x - Step 3: Cross multiply
892,573,669.20x = 1,338,860,503.80 × 795,638,830.80 - Step 4: Simplify right side
892,573,669.20x = 1,065,249,405,847,730,816 - Step 5: Solve for x
x = 1,065,249,405,847,730,816/892,573,669.20 - Step 6: Final answer
x = 1,193,458,246.20
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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.