Finding the Fourth Proportional to 409,824,166.20, 614,736,249.30 and 167,660,863.80
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Solution
The fourth proportional to 409,824,166.20, 614,736,249.30 and 167,660,863.80 is: 251,491,295.70
Step by Step Solution
- Step 1: Write the proportion equation
409,824,166.20 : 614,736,249.30 = 167,660,863.80 : x - Step 2: Convert to fraction form
409,824,166.20/614,736,249.30 = 167,660,863.80/x - Step 3: Cross multiply
409,824,166.20x = 614,736,249.30 × 167,660,863.80 - Step 4: Simplify right side
409,824,166.20x = 103,067,210,566,810,144 - Step 5: Solve for x
x = 103,067,210,566,810,144/409,824,166.20 - Step 6: Final answer
x = 251,491,295.70
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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.