Finding the Fourth Proportional to 1,295,239,588.40, 1,942,187,536.20 and 476,930,673.20
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Solution
The fourth proportional to 1,295,239,588.40, 1,942,187,536.20 and 476,930,673.20 is: 715,148,623.79
Step by Step Solution
- Step 1: Write the proportion equation
1,295,239,588.40 : 1,942,187,536.20 = 476,930,673.20 : x - Step 2: Convert to fraction form
1,295,239,588.40/1,942,187,536.20 = 476,930,673.20/x - Step 3: Cross multiply
1,295,239,588.40x = 1,942,187,536.20 × 476,930,673.20 - Step 4: Simplify right side
1,295,239,588.40x = 926,288,809,120,515,328 - Step 5: Solve for x
x = 926,288,809,120,515,328/1,295,239,588.40 - Step 6: Final answer
x = 715,148,623.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.