Finding the Fourth Proportional to 568,567,153.99, 784,663,274.25 and 314,243,039.48
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Solution
The fourth proportional to 568,567,153.99, 784,663,274.25 and 314,243,039.48 is: 433,677,834.78
Step by Step Solution
- Step 1: Write the proportion equation
568,567,153.99 : 784,663,274.25 = 314,243,039.48 : x - Step 2: Convert to fraction form
568,567,153.99/784,663,274.25 = 314,243,039.48/x - Step 3: Cross multiply
568,567,153.99x = 784,663,274.25 × 314,243,039.48 - Step 4: Simplify right side
568,567,153.99x = 246,574,972,269,135,328 - Step 5: Solve for x
x = 246,574,972,269,135,328/568,567,153.99 - Step 6: Final answer
x = 433,677,834.78
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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.