Finding the Fourth Proportional to 473,404,944.99, 653,242,236.18 and 261,683,173.56
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Solution
The fourth proportional to 473,404,944.99, 653,242,236.18 and 261,683,173.56 is: 361,091,499.52
Step by Step Solution
- Step 1: Write the proportion equation
473,404,944.99 : 653,242,236.18 = 261,683,173.56 : x - Step 2: Convert to fraction form
473,404,944.99/653,242,236.18 = 261,683,173.56/x - Step 3: Cross multiply
473,404,944.99x = 653,242,236.18 × 261,683,173.56 - Step 4: Simplify right side
473,404,944.99x = 170,942,501,463,747,232 - Step 5: Solve for x
x = 170,942,501,463,747,232/473,404,944.99 - Step 6: Final answer
x = 361,091,499.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.