Finding the Fourth Proportional to 289,682,564.44, 399,749,770.12 and 164,243,199.08
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Solution
The fourth proportional to 289,682,564.44, 399,749,770.12 and 164,243,199.08 is: 226,648,715.30
Step by Step Solution
- Step 1: Write the proportion equation
289,682,564.44 : 399,749,770.12 = 164,243,199.08 : x - Step 2: Convert to fraction form
289,682,564.44/399,749,770.12 = 164,243,199.08/x - Step 3: Cross multiply
289,682,564.44x = 399,749,770.12 × 164,243,199.08 - Step 4: Simplify right side
289,682,564.44x = 65,656,181,076,003,400 - Step 5: Solve for x
x = 65,656,181,076,003,400/289,682,564.44 - Step 6: Final answer
x = 226,648,715.30
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.