Finding the Fourth Proportional to 609,819,587.68, 841,549,198.80 and 331,361,960.80
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Solution
The fourth proportional to 609,819,587.68, 841,549,198.80 and 331,361,960.80 is: 457,278,510.33
Step by Step Solution
- Step 1: Write the proportion equation
609,819,587.68 : 841,549,198.80 = 331,361,960.80 : x - Step 2: Convert to fraction form
609,819,587.68/841,549,198.80 = 331,361,960.80/x - Step 3: Cross multiply
609,819,587.68x = 841,549,198.80 × 331,361,960.80 - Step 4: Simplify right side
609,819,587.68x = 278,857,392,624,036,992 - Step 5: Solve for x
x = 278,857,392,624,036,992/609,819,587.68 - Step 6: Final answer
x = 457,278,510.33
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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.