Finding the Fourth Proportional to 1,554,452,764.80, 2,331,940,420.80 and 464,046,057.60
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Solution
The fourth proportional to 1,554,452,764.80, 2,331,940,420.80 and 464,046,057.60 is: 696,147,083.61
Step by Step Solution
- Step 1: Write the proportion equation
1,554,452,764.80 : 2,331,940,420.80 = 464,046,057.60 : x - Step 2: Convert to fraction form
1,554,452,764.80/2,331,940,420.80 = 464,046,057.60/x - Step 3: Cross multiply
1,554,452,764.80x = 2,331,940,420.80 × 464,046,057.60 - Step 4: Simplify right side
1,554,452,764.80x = 1,082,127,758,830,325,120 - Step 5: Solve for x
x = 1,082,127,758,830,325,120/1,554,452,764.80 - Step 6: Final answer
x = 696,147,083.61
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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.