Finding the Fourth Proportional to 1,166,428,689.84, 1,749,644,718.64 and 476,335,943.81
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Solution
The fourth proportional to 1,166,428,689.84, 1,749,644,718.64 and 476,335,943.81 is: 714,504,603.36
Step by Step Solution
- Step 1: Write the proportion equation
1,166,428,689.84 : 1,749,644,718.64 = 476,335,943.81 : x - Step 2: Convert to fraction form
1,166,428,689.84/1,749,644,718.64 = 476,335,943.81/x - Step 3: Cross multiply
1,166,428,689.84x = 1,749,644,718.64 × 476,335,943.81 - Step 4: Simplify right side
1,166,428,689.84x = 833,418,668,382,188,416 - Step 5: Solve for x
x = 833,418,668,382,188,416/1,166,428,689.84 - Step 6: Final answer
x = 714,504,603.36
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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.