Finding the Fourth Proportional to 271,554,389.19, 407,594,647.08 and 256,806,901.44
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Solution
The fourth proportional to 271,554,389.19, 407,594,647.08 and 256,806,901.44 is: 385,459,129.10
Step by Step Solution
- Step 1: Write the proportion equation
271,554,389.19 : 407,594,647.08 = 256,806,901.44 : x - Step 2: Convert to fraction form
271,554,389.19/407,594,647.08 = 256,806,901.44/x - Step 3: Cross multiply
271,554,389.19x = 407,594,647.08 × 256,806,901.44 - Step 4: Simplify right side
271,554,389.19x = 104,673,118,360,145,136 - Step 5: Solve for x
x = 104,673,118,360,145,136/271,554,389.19 - Step 6: Final answer
x = 385,459,129.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.