Finding the Fourth Proportional to 1,206,532,395, 1,809,765,137.44 and 321,225,349.92
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Solution
The fourth proportional to 1,206,532,395, 1,809,765,137.44 and 321,225,349.92 is: 481,829,117.86
Step by Step Solution
- Step 1: Write the proportion equation
1,206,532,395 : 1,809,765,137.44 = 321,225,349.92 : x - Step 2: Convert to fraction form
1,206,532,395/1,809,765,137.44 = 321,225,349.92/x - Step 3: Cross multiply
1,206,532,395x = 1,809,765,137.44 × 321,225,349.92 - Step 4: Simplify right side
1,206,532,395x = 581,342,439,547,180,928 - Step 5: Solve for x
x = 581,342,439,547,180,928/1,206,532,395 - Step 6: Final answer
x = 481,829,117.86
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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.