Finding the Fourth Proportional to 408,912,208.81, 613,559,853.41 and 201,537,571.91
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Solution
The fourth proportional to 408,912,208.81, 613,559,853.41 and 201,537,571.91 is: 302,400,760.87
Step by Step Solution
- Step 1: Write the proportion equation
408,912,208.81 : 613,559,853.41 = 201,537,571.91 : x - Step 2: Convert to fraction form
408,912,208.81/613,559,853.41 = 201,537,571.91/x - Step 3: Cross multiply
408,912,208.81x = 613,559,853.41 × 201,537,571.91 - Step 4: Simplify right side
408,912,208.81x = 123,655,363,073,631,440 - Step 5: Solve for x
x = 123,655,363,073,631,440/408,912,208.81 - Step 6: Final answer
x = 302,400,760.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.