Finding the Fourth Proportional to 587,260,108.58, 810,434,309.31 and 319,351,610.00
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Solution
The fourth proportional to 587,260,108.58, 810,434,309.31 and 319,351,610.00 is: 440,713,574.28
Step by Step Solution
- Step 1: Write the proportion equation
587,260,108.58 : 810,434,309.31 = 319,351,610.00 : x - Step 2: Convert to fraction form
587,260,108.58/810,434,309.31 = 319,351,610.00/x - Step 3: Cross multiply
587,260,108.58x = 810,434,309.31 × 319,351,610.00 - Step 4: Simplify right side
587,260,108.58x = 258,813,501,479,412,544 - Step 5: Solve for x
x = 258,813,501,479,412,544/587,260,108.58 - Step 6: Final answer
x = 440,713,574.28
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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.