Finding the Fourth Proportional to 564,871,279.20, 847,306,918.80 and 201,234,415.20
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Solution
The fourth proportional to 564,871,279.20, 847,306,918.80 and 201,234,415.20 is: 301,851,622.80
Step by Step Solution
- Step 1: Write the proportion equation
564,871,279.20 : 847,306,918.80 = 201,234,415.20 : x - Step 2: Convert to fraction form
564,871,279.20/847,306,918.80 = 201,234,415.20/x - Step 3: Cross multiply
564,871,279.20x = 847,306,918.80 × 201,234,415.20 - Step 4: Simplify right side
564,871,279.20x = 170,507,312,299,631,872 - Step 5: Solve for x
x = 170,507,312,299,631,872/564,871,279.20 - Step 6: Final answer
x = 301,851,622.80
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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.