Finding the Fourth Proportional to 4,245,220,813.90, 6,367,831,220.85 and 1,297,494,733.90
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Solution
The fourth proportional to 4,245,220,813.90, 6,367,831,220.85 and 1,297,494,733.90 is: 1,946,242,100.85
Step by Step Solution
- Step 1: Write the proportion equation
4,245,220,813.90 : 6,367,831,220.85 = 1,297,494,733.90 : x - Step 2: Convert to fraction form
4,245,220,813.90/6,367,831,220.85 = 1,297,494,733.90/x - Step 3: Cross multiply
4,245,220,813.90x = 6,367,831,220.85 × 1,297,494,733.90 - Step 4: Simplify right side
4,245,220,813.90x = 8,262,227,475,416,884,224 - Step 5: Solve for x
x = 8,262,227,475,416,884,224/4,245,220,813.90 - Step 6: Final answer
x = 1,946,242,100.85
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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.