Finding the Fourth Proportional to 578,837,163.06, 868,343,924.43 and 360,310,723.38
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Solution
The fourth proportional to 578,837,163.06, 868,343,924.43 and 360,310,723.38 is: 540,520,974.67
Step by Step Solution
- Step 1: Write the proportion equation
578,837,163.06 : 868,343,924.43 = 360,310,723.38 : x - Step 2: Convert to fraction form
578,837,163.06/868,343,924.43 = 360,310,723.38/x - Step 3: Cross multiply
578,837,163.06x = 868,343,924.43 × 360,310,723.38 - Step 4: Simplify right side
578,837,163.06x = 312,873,627,554,001,344 - Step 5: Solve for x
x = 312,873,627,554,001,344/578,837,163.06 - Step 6: Final answer
x = 540,520,974.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.