Finding the Fourth Proportional to 443,943,415.26, 612,643,223.79 and 245,718,677.88
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Solution
The fourth proportional to 443,943,415.26, 612,643,223.79 and 245,718,677.88 is: 339,092,500.95
Step by Step Solution
- Step 1: Write the proportion equation
443,943,415.26 : 612,643,223.79 = 245,718,677.88 : x - Step 2: Convert to fraction form
443,943,415.26/612,643,223.79 = 245,718,677.88/x - Step 3: Cross multiply
443,943,415.26x = 612,643,223.79 × 245,718,677.88 - Step 4: Simplify right side
443,943,415.26x = 150,537,882,961,819,744 - Step 5: Solve for x
x = 150,537,882,961,819,744/443,943,415.26 - Step 6: Final answer
x = 339,092,500.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.