Finding the Fourth Proportional to 473,365,163.40, 710,047,745.10 and 266,740,902.60
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Solution
The fourth proportional to 473,365,163.40, 710,047,745.10 and 266,740,902.60 is: 400,111,353.90
Step by Step Solution
- Step 1: Write the proportion equation
473,365,163.40 : 710,047,745.10 = 266,740,902.60 : x - Step 2: Convert to fraction form
473,365,163.40/710,047,745.10 = 266,740,902.60/x - Step 3: Cross multiply
473,365,163.40x = 710,047,745.10 × 266,740,902.60 - Step 4: Simplify right side
473,365,163.40x = 189,398,776,417,068,736 - Step 5: Solve for x
x = 189,398,776,417,068,736/473,365,163.40 - Step 6: Final answer
x = 400,111,353.90
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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.