Finding the Fourth Proportional to 593,174,455.80, 889,761,683.70 and 399,178,807.80
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Solution
The fourth proportional to 593,174,455.80, 889,761,683.70 and 399,178,807.80 is: 598,768,211.70
Step by Step Solution
- Step 1: Write the proportion equation
593,174,455.80 : 889,761,683.70 = 399,178,807.80 : x - Step 2: Convert to fraction form
593,174,455.80/889,761,683.70 = 399,178,807.80/x - Step 3: Cross multiply
593,174,455.80x = 889,761,683.70 × 399,178,807.80 - Step 4: Simplify right side
593,174,455.80x = 355,174,008,125,486,720 - Step 5: Solve for x
x = 355,174,008,125,486,720/593,174,455.80 - Step 6: Final answer
x = 598,768,211.70
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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.