Finding the Fourth Proportional to 1,579,884,918.19, 2,369,531,098.28 and 792,727,218.97
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Solution
The fourth proportional to 1,579,884,918.19, 2,369,531,098.28 and 792,727,218.97 is: 1,188,942,166.72
Step by Step Solution
- Step 1: Write the proportion equation
1,579,884,918.19 : 2,369,531,098.28 = 792,727,218.97 : x - Step 2: Convert to fraction form
1,579,884,918.19/2,369,531,098.28 = 792,727,218.97/x - Step 3: Cross multiply
1,579,884,918.19x = 2,369,531,098.28 × 792,727,218.97 - Step 4: Simplify right side
1,579,884,918.19x = 1,878,391,797,798,491,904 - Step 5: Solve for x
x = 1,878,391,797,798,491,904/1,579,884,918.19 - Step 6: Final answer
x = 1,188,942,166.72
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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.