Finding the Fourth Proportional to 929,203,311.72, 1,393,798,767.30 and 376,497,585.84
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Solution
The fourth proportional to 929,203,311.72, 1,393,798,767.30 and 376,497,585.84 is: 564,743,866.51
Step by Step Solution
- Step 1: Write the proportion equation
929,203,311.72 : 1,393,798,767.30 = 376,497,585.84 : x - Step 2: Convert to fraction form
929,203,311.72/1,393,798,767.30 = 376,497,585.84/x - Step 3: Cross multiply
929,203,311.72x = 1,393,798,767.30 × 376,497,585.84 - Step 4: Simplify right side
929,203,311.72x = 524,761,871,035,217,856 - Step 5: Solve for x
x = 524,761,871,035,217,856/929,203,311.72 - Step 6: Final answer
x = 564,743,866.51
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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.