Finding the Fourth Proportional to 524,505,652.35, 723,798,789.01 and 289,551,255.99
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Solution
The fourth proportional to 524,505,652.35, 723,798,789.01 and 289,551,255.99 is: 399,570,238.19
Step by Step Solution
- Step 1: Write the proportion equation
524,505,652.35 : 723,798,789.01 = 289,551,255.99 : x - Step 2: Convert to fraction form
524,505,652.35/723,798,789.01 = 289,551,255.99/x - Step 3: Cross multiply
524,505,652.35x = 723,798,789.01 × 289,551,255.99 - Step 4: Simplify right side
524,505,652.35x = 209,576,848,441,886,528 - Step 5: Solve for x
x = 209,576,848,441,886,528/524,505,652.35 - Step 6: Final answer
x = 399,570,238.19
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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.