Finding the Fourth Proportional to 5,432,508,745.05, 8,148,763,117.58 and 1,555,115,209.05
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Solution
The fourth proportional to 5,432,508,745.05, 8,148,763,117.58 and 1,555,115,209.05 is: 2,332,672,813.58
Step by Step Solution
- Step 1: Write the proportion equation
5,432,508,745.05 : 8,148,763,117.58 = 1,555,115,209.05 : x - Step 2: Convert to fraction form
5,432,508,745.05/8,148,763,117.58 = 1,555,115,209.05/x - Step 3: Cross multiply
5,432,508,745.05x = 8,148,763,117.58 × 1,555,115,209.05 - Step 4: Simplify right side
5,432,508,745.05x = 12,672,265,459,086,575,616 - Step 5: Solve for x
x = 12,672,265,459,086,575,616/5,432,508,745.05 - Step 6: Final answer
x = 2,332,672,813.58
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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.