Finding the Fourth Proportional to 899,101,103.80, 1,348,651,655.70 and 252,868,847.80
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Solution
The fourth proportional to 899,101,103.80, 1,348,651,655.70 and 252,868,847.80 is: 379,303,271.70
Step by Step Solution
- Step 1: Write the proportion equation
899,101,103.80 : 1,348,651,655.70 = 252,868,847.80 : x - Step 2: Convert to fraction form
899,101,103.80/1,348,651,655.70 = 252,868,847.80/x - Step 3: Cross multiply
899,101,103.80x = 1,348,651,655.70 × 252,868,847.80 - Step 4: Simplify right side
899,101,103.80x = 341,031,990,260,421,312 - Step 5: Solve for x
x = 341,031,990,260,421,312/899,101,103.80 - Step 6: Final answer
x = 379,303,271.70
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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.