Finding the Fourth Proportional to 1,617,269,425.20, 2,425,904,137.80 and 526,752,493.20
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Solution
The fourth proportional to 1,617,269,425.20, 2,425,904,137.80 and 526,752,493.20 is: 790,128,739.80
Step by Step Solution
- Step 1: Write the proportion equation
1,617,269,425.20 : 2,425,904,137.80 = 526,752,493.20 : x - Step 2: Convert to fraction form
1,617,269,425.20/2,425,904,137.80 = 526,752,493.20/x - Step 3: Cross multiply
1,617,269,425.20x = 2,425,904,137.80 × 526,752,493.20 - Step 4: Simplify right side
1,617,269,425.20x = 1,277,851,052,850,346,496 - Step 5: Solve for x
x = 1,277,851,052,850,346,496/1,617,269,425.20 - Step 6: Final answer
x = 790,128,739.80
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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.