Finding the Fourth Proportional to 564,871,261.20, 847,306,891.80 and 201,234,397.20
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Solution
The fourth proportional to 564,871,261.20, 847,306,891.80 and 201,234,397.20 is: 301,851,595.80
Step by Step Solution
- Step 1: Write the proportion equation
564,871,261.20 : 847,306,891.80 = 201,234,397.20 : x - Step 2: Convert to fraction form
564,871,261.20/847,306,891.80 = 201,234,397.20/x - Step 3: Cross multiply
564,871,261.20x = 847,306,891.80 × 201,234,397.20 - Step 4: Simplify right side
564,871,261.20x = 170,507,291,614,778,592 - Step 5: Solve for x
x = 170,507,291,614,778,592/564,871,261.20 - Step 6: Final answer
x = 301,851,595.80
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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.