Finding the Fourth Proportional to 906,469,536.80, 1,359,704,305.20 and 799,331,031.20
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Solution
The fourth proportional to 906,469,536.80, 1,359,704,305.20 and 799,331,031.20 is: 1,198,996,546.80
Step by Step Solution
- Step 1: Write the proportion equation
906,469,536.80 : 1,359,704,305.20 = 799,331,031.20 : x - Step 2: Convert to fraction form
906,469,536.80/1,359,704,305.20 = 799,331,031.20/x - Step 3: Cross multiply
906,469,536.80x = 1,359,704,305.20 × 799,331,031.20 - Step 4: Simplify right side
906,469,536.80x = 1,086,853,844,402,595,584 - Step 5: Solve for x
x = 1,086,853,844,402,595,584/906,469,536.80 - Step 6: Final answer
x = 1,198,996,546.80
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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.