Finding the Fourth Proportional to 723,991,361.99, 1,085,997,132.11 and 206,421,802.46
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Solution
The fourth proportional to 723,991,361.99, 1,085,997,132.11 and 206,421,802.46 is: 309,635,580.27
Step by Step Solution
- Step 1: Write the proportion equation
723,991,361.99 : 1,085,997,132.11 = 206,421,802.46 : x - Step 2: Convert to fraction form
723,991,361.99/1,085,997,132.11 = 206,421,802.46/x - Step 3: Cross multiply
723,991,361.99x = 1,085,997,132.11 × 206,421,802.46 - Step 4: Simplify right side
723,991,361.99x = 224,173,485,482,087,808 - Step 5: Solve for x
x = 224,173,485,482,087,808/723,991,361.99 - Step 6: Final answer
x = 309,635,580.27
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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.