Finding the Fourth Proportional to 463,322,703.42, 639,424,763.28 and 262,415,317.68
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Solution
The fourth proportional to 463,322,703.42, 639,424,763.28 and 262,415,317.68 is: 362,155,472.09
Step by Step Solution
- Step 1: Write the proportion equation
463,322,703.42 : 639,424,763.28 = 262,415,317.68 : x - Step 2: Convert to fraction form
463,322,703.42/639,424,763.28 = 262,415,317.68/x - Step 3: Cross multiply
463,322,703.42x = 639,424,763.28 × 262,415,317.68 - Step 4: Simplify right side
463,322,703.42x = 167,794,852,388,580,000 - Step 5: Solve for x
x = 167,794,852,388,580,000/463,322,703.42 - Step 6: Final answer
x = 362,155,472.09
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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.