Finding the Fourth Proportional to 1,361,044,206.26, 2,041,929,621.20 and 487,733,853.98
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Solution
The fourth proportional to 1,361,044,206.26, 2,041,929,621.20 and 487,733,853.98 is: 731,730,974.73
Step by Step Solution
- Step 1: Write the proportion equation
1,361,044,206.26 : 2,041,929,621.20 = 487,733,853.98 : x - Step 2: Convert to fraction form
1,361,044,206.26/2,041,929,621.20 = 487,733,853.98/x - Step 3: Cross multiply
1,361,044,206.26x = 2,041,929,621.20 × 487,733,853.98 - Step 4: Simplify right side
1,361,044,206.26x = 995,918,203,701,358,848 - Step 5: Solve for x
x = 995,918,203,701,358,848/1,361,044,206.26 - Step 6: Final answer
x = 731,730,974.73
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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.