Finding the Fourth Proportional to 417,509,051.23, 576,128,890.29 and 241,308,459.07
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Solution
The fourth proportional to 417,509,051.23, 576,128,890.29 and 241,308,459.07 is: 332,986,253.43
Step by Step Solution
- Step 1: Write the proportion equation
417,509,051.23 : 576,128,890.29 = 241,308,459.07 : x - Step 2: Convert to fraction form
417,509,051.23/576,128,890.29 = 241,308,459.07/x - Step 3: Cross multiply
417,509,051.23x = 576,128,890.29 × 241,308,459.07 - Step 4: Simplify right side
417,509,051.23x = 139,024,774,741,588,976 - Step 5: Solve for x
x = 139,024,774,741,588,976/417,509,051.23 - Step 6: Final answer
x = 332,986,253.43
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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.