Finding the Fourth Proportional to 300,117,637.63, 414,162,339.93 and 162,762,373.63
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Solution
The fourth proportional to 300,117,637.63, 414,162,339.93 and 162,762,373.63 is: 224,612,075.61
Step by Step Solution
- Step 1: Write the proportion equation
300,117,637.63 : 414,162,339.93 = 162,762,373.63 : x - Step 2: Convert to fraction form
300,117,637.63/414,162,339.93 = 162,762,373.63/x - Step 3: Cross multiply
300,117,637.63x = 414,162,339.93 × 162,762,373.63 - Step 4: Simplify right side
300,117,637.63x = 67,410,045,515,161,728 - Step 5: Solve for x
x = 67,410,045,515,161,728/300,117,637.63 - Step 6: Final answer
x = 224,612,075.61
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1.5x scale
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.