Finding the Fourth Proportional to 1,364,136,415.20, 2,046,204,622.80 and 847,575,763.20
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Solution
The fourth proportional to 1,364,136,415.20, 2,046,204,622.80 and 847,575,763.20 is: 1,271,363,644.80
Step by Step Solution
- Step 1: Write the proportion equation
1,364,136,415.20 : 2,046,204,622.80 = 847,575,763.20 : x - Step 2: Convert to fraction form
1,364,136,415.20/2,046,204,622.80 = 847,575,763.20/x - Step 3: Cross multiply
1,364,136,415.20x = 2,046,204,622.80 × 847,575,763.20 - Step 4: Simplify right side
1,364,136,415.20x = 1,734,313,444,833,078,272 - Step 5: Solve for x
x = 1,734,313,444,833,078,272/1,364,136,415.20 - Step 6: Final answer
x = 1,271,363,644.80
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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.