Finding the Fourth Proportional to 619,830,839.99, 855,327,318.73 and 341,372,363.52
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Solution
The fourth proportional to 619,830,839.99, 855,327,318.73 and 341,372,363.52 is: 471,072,249.94
Step by Step Solution
- Step 1: Write the proportion equation
619,830,839.99 : 855,327,318.73 = 341,372,363.52 : x - Step 2: Convert to fraction form
619,830,839.99/855,327,318.73 = 341,372,363.52/x - Step 3: Cross multiply
619,830,839.99x = 855,327,318.73 × 341,372,363.52 - Step 4: Simplify right side
619,830,839.99x = 291,985,108,380,438,528 - Step 5: Solve for x
x = 291,985,108,380,438,528/619,830,839.99 - Step 6: Final answer
x = 471,072,249.94
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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.