Finding the Fourth Proportional to 1,800,766,803.35, 2,701,286,434.97 and 557,323,031.80
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Solution
The fourth proportional to 1,800,766,803.35, 2,701,286,434.97 and 557,323,031.80 is: 836,026,709.79
Step by Step Solution
- Step 1: Write the proportion equation
1,800,766,803.35 : 2,701,286,434.97 = 557,323,031.80 : x - Step 2: Convert to fraction form
1,800,766,803.35/2,701,286,434.97 = 557,323,031.80/x - Step 3: Cross multiply
1,800,766,803.35x = 2,701,286,434.97 × 557,323,031.80 - Step 4: Simplify right side
1,800,766,803.35x = 1,505,489,145,700,401,664 - Step 5: Solve for x
x = 1,505,489,145,700,401,664/1,800,766,803.35 - Step 6: Final answer
x = 836,026,709.79
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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.