Finding the Fourth Proportional to 929,203,309.28, 1,393,798,763.64 and 376,497,583.40
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Solution
The fourth proportional to 929,203,309.28, 1,393,798,763.64 and 376,497,583.40 is: 564,743,862.85
Step by Step Solution
- Step 1: Write the proportion equation
929,203,309.28 : 1,393,798,763.64 = 376,497,583.40 : x - Step 2: Convert to fraction form
929,203,309.28/1,393,798,763.64 = 376,497,583.40/x - Step 3: Cross multiply
929,203,309.28x = 1,393,798,763.64 × 376,497,583.40 - Step 4: Simplify right side
929,203,309.28x = 524,761,866,261,245,248 - Step 5: Solve for x
x = 524,761,866,261,245,248/929,203,309.28 - Step 6: Final answer
x = 564,743,862.85
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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.