Finding the Fourth Proportional to 593,174,460.30, 889,761,690.45 and 399,178,812.30
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Solution
The fourth proportional to 593,174,460.30, 889,761,690.45 and 399,178,812.30 is: 598,768,218.45
Step by Step Solution
- Step 1: Write the proportion equation
593,174,460.30 : 889,761,690.45 = 399,178,812.30 : x - Step 2: Convert to fraction form
593,174,460.30/889,761,690.45 = 399,178,812.30/x - Step 3: Cross multiply
593,174,460.30x = 889,761,690.45 × 399,178,812.30 - Step 4: Simplify right side
593,174,460.30x = 355,174,014,823,871,296 - Step 5: Solve for x
x = 355,174,014,823,871,296/593,174,460.30 - Step 6: Final answer
x = 598,768,218.45
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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.