Finding the Fourth Proportional to 408,912,209.93, 613,559,855.09 and 201,537,573.03
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Solution
The fourth proportional to 408,912,209.93, 613,559,855.09 and 201,537,573.03 is: 302,400,762.56
Step by Step Solution
- Step 1: Write the proportion equation
408,912,209.93 : 613,559,855.09 = 201,537,573.03 : x - Step 2: Convert to fraction form
408,912,209.93/613,559,855.09 = 201,537,573.03/x - Step 3: Cross multiply
408,912,209.93x = 613,559,855.09 × 201,537,573.03 - Step 4: Simplify right side
408,912,209.93x = 123,655,364,103,980,928 - Step 5: Solve for x
x = 123,655,364,103,980,928/408,912,209.93 - Step 6: Final answer
x = 302,400,762.56
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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.