Finding the Fourth Proportional to 624,260,777.99, 861,479,574.17 and 373,365,165.49
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Solution
The fourth proportional to 624,260,777.99, 861,479,574.17 and 373,365,165.49 is: 515,243,749.27
Step by Step Solution
- Step 1: Write the proportion equation
624,260,777.99 : 861,479,574.17 = 373,365,165.49 : x - Step 2: Convert to fraction form
624,260,777.99/861,479,574.17 = 373,365,165.49/x - Step 3: Cross multiply
624,260,777.99x = 861,479,574.17 × 373,365,165.49 - Step 4: Simplify right side
624,260,777.99x = 321,646,463,772,216,256 - Step 5: Solve for x
x = 321,646,463,772,216,256/624,260,777.99 - Step 6: Final answer
x = 515,243,749.27
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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.