Finding the Fourth Proportional to 1,467,648,808.40, 2,201,473,212.60 and 1,355,408,469.20
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Solution
The fourth proportional to 1,467,648,808.40, 2,201,473,212.60 and 1,355,408,469.20 is: 2,033,112,703.80
Step by Step Solution
- Step 1: Write the proportion equation
1,467,648,808.40 : 2,201,473,212.60 = 1,355,408,469.20 : x - Step 2: Convert to fraction form
1,467,648,808.40/2,201,473,212.60 = 1,355,408,469.20/x - Step 3: Cross multiply
1,467,648,808.40x = 2,201,473,212.60 × 1,355,408,469.20 - Step 4: Simplify right side
1,467,648,808.40x = 2,983,895,437,074,972,160 - Step 5: Solve for x
x = 2,983,895,437,074,972,160/1,467,648,808.40 - Step 6: Final answer
x = 2,033,112,703.80
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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.