Finding the Fourth Proportional to 3,408,786,712.80, 5,102,430,526.80 and 3,301,291,288.80
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Solution
The fourth proportional to 3,408,786,712.80, 5,102,430,526.80 and 3,301,291,288.80 is: 4,941,526,375.52
Step by Step Solution
- Step 1: Write the proportion equation
3,408,786,712.80 : 5,102,430,526.80 = 3,301,291,288.80 : x - Step 2: Convert to fraction form
3,408,786,712.80/5,102,430,526.80 = 3,301,291,288.80/x - Step 3: Cross multiply
3,408,786,712.80x = 5,102,430,526.80 × 3,301,291,288.80 - Step 4: Simplify right side
3,408,786,712.80x = 16,844,609,449,832,036,352 - Step 5: Solve for x
x = 16,844,609,449,832,036,352/3,408,786,712.80 - Step 6: Final answer
x = 4,941,526,375.52
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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.