Finding the Fourth Proportional to 372,642,452.99, 514,239,913.31 and 203,098,217.68
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Solution
The fourth proportional to 372,642,452.99, 514,239,913.31 and 203,098,217.68 is: 280,271,904.11
Step by Step Solution
- Step 1: Write the proportion equation
372,642,452.99 : 514,239,913.31 = 203,098,217.68 : x - Step 2: Convert to fraction form
372,642,452.99/514,239,913.31 = 203,098,217.68/x - Step 3: Cross multiply
372,642,452.99x = 514,239,913.31 × 203,098,217.68 - Step 4: Simplify right side
372,642,452.99x = 104,441,209,850,877,632 - Step 5: Solve for x
x = 104,441,209,850,877,632/372,642,452.99 - Step 6: Final answer
x = 280,271,904.11
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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.