Finding the Fourth Proportional to 541,868,136.90, 747,798,584.56 and 303,717,722.99
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Solution
The fourth proportional to 541,868,136.90, 747,798,584.56 and 303,717,722.99 is: 419,141,979.18
Step by Step Solution
- Step 1: Write the proportion equation
541,868,136.90 : 747,798,584.56 = 303,717,722.99 : x - Step 2: Convert to fraction form
541,868,136.90/747,798,584.56 = 303,717,722.99/x - Step 3: Cross multiply
541,868,136.90x = 747,798,584.56 × 303,717,722.99 - Step 4: Simplify right side
541,868,136.90x = 227,119,683,353,209,888 - Step 5: Solve for x
x = 227,119,683,353,209,888/541,868,136.90 - Step 6: Final answer
x = 419,141,979.18
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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.