Finding the Fourth Proportional to 1,715,911,731.84, 2,367,888,464.48 and 973,339,851.36
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Solution
The fourth proportional to 1,715,911,731.84, 2,367,888,464.48 and 973,339,851.36 is: 1,343,169,443.56
Step by Step Solution
- Step 1: Write the proportion equation
1,715,911,731.84 : 2,367,888,464.48 = 973,339,851.36 : x - Step 2: Convert to fraction form
1,715,911,731.84/2,367,888,464.48 = 973,339,851.36/x - Step 3: Cross multiply
1,715,911,731.84x = 2,367,888,464.48 × 973,339,851.36 - Step 4: Simplify right side
1,715,911,731.84x = 2,304,760,206,049,155,072 - Step 5: Solve for x
x = 2,304,760,206,049,155,072/1,715,911,731.84 - Step 6: Final answer
x = 1,343,169,443.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.