Finding the Fourth Proportional to 2,135,490,373.80, 3,203,235,560.70 and 908,698,847.40
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Solution
The fourth proportional to 2,135,490,373.80, 3,203,235,560.70 and 908,698,847.40 is: 1,363,048,271.10
Step by Step Solution
- Step 1: Write the proportion equation
2,135,490,373.80 : 3,203,235,560.70 = 908,698,847.40 : x - Step 2: Convert to fraction form
2,135,490,373.80/3,203,235,560.70 = 908,698,847.40/x - Step 3: Cross multiply
2,135,490,373.80x = 3,203,235,560.70 × 908,698,847.40 - Step 4: Simplify right side
2,135,490,373.80x = 2,910,776,461,958,782,464 - Step 5: Solve for x
x = 2,910,776,461,958,782,464/2,135,490,373.80 - Step 6: Final answer
x = 1,363,048,271.10
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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.