Finding the Fourth Proportional to 8,961,706,820.40, 13,442,560,230.60 and 4,829,221,604.40
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Solution
The fourth proportional to 8,961,706,820.40, 13,442,560,230.60 and 4,829,221,604.40 is: 7,243,832,406.60
Step by Step Solution
- Step 1: Write the proportion equation
8,961,706,820.40 : 13,442,560,230.60 = 4,829,221,604.40 : x - Step 2: Convert to fraction form
8,961,706,820.40/13,442,560,230.60 = 4,829,221,604.40/x - Step 3: Cross multiply
8,961,706,820.40x = 13,442,560,230.60 × 4,829,221,604.40 - Step 4: Simplify right side
8,961,706,820.40x = 64,917,102,284,061,761,536 - Step 5: Solve for x
x = 64,917,102,284,061,761,536/8,961,706,820.40 - Step 6: Final answer
x = 7,243,832,406.60
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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.