Finding the Fourth Proportional to 432,379,129.68, 649,215,871.68 and 374,267,040.48
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Solution
The fourth proportional to 432,379,129.68, 649,215,871.68 and 374,267,040.48 is: 561,960,756.77
Step by Step Solution
- Step 1: Write the proportion equation
432,379,129.68 : 649,215,871.68 = 374,267,040.48 : x - Step 2: Convert to fraction form
432,379,129.68/649,215,871.68 = 374,267,040.48/x - Step 3: Cross multiply
432,379,129.68x = 649,215,871.68 × 374,267,040.48 - Step 4: Simplify right side
432,379,129.68x = 242,980,102,926,317,024 - Step 5: Solve for x
x = 242,980,102,926,317,024/432,379,129.68 - Step 6: Final answer
x = 561,960,756.77
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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.