Finding the Fourth Proportional to 1,640,810,137.60, 2,461,215,206.40 and 1,583,479,244.80
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Solution
The fourth proportional to 1,640,810,137.60, 2,461,215,206.40 and 1,583,479,244.80 is: 2,375,218,867.20
Step by Step Solution
- Step 1: Write the proportion equation
1,640,810,137.60 : 2,461,215,206.40 = 1,583,479,244.80 : x - Step 2: Convert to fraction form
1,640,810,137.60/2,461,215,206.40 = 1,583,479,244.80/x - Step 3: Cross multiply
1,640,810,137.60x = 2,461,215,206.40 × 1,583,479,244.80 - Step 4: Simplify right side
1,640,810,137.60x = 3,897,283,196,320,548,352 - Step 5: Solve for x
x = 3,897,283,196,320,548,352/1,640,810,137.60 - Step 6: Final answer
x = 2,375,218,867.20
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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.