Finding the Fourth Proportional to 1,325,643,878.67, 1,986,215,627.51 and 799,908,333.99
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Solution
The fourth proportional to 1,325,643,878.67, 1,986,215,627.51 and 799,908,333.99 is: 1,198,504,710.89
Step by Step Solution
- Step 1: Write the proportion equation
1,325,643,878.67 : 1,986,215,627.51 = 799,908,333.99 : x - Step 2: Convert to fraction form
1,325,643,878.67/1,986,215,627.51 = 799,908,333.99/x - Step 3: Cross multiply
1,325,643,878.67x = 1,986,215,627.51 × 799,908,333.99 - Step 4: Simplify right side
1,325,643,878.67x = 1,588,790,433,545,386,496 - Step 5: Solve for x
x = 1,588,790,433,545,386,496/1,325,643,878.67 - Step 6: Final answer
x = 1,198,504,710.89
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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.