Finding the Fourth Proportional to 5,285,340,964.84, 7,293,908,766.88 and 2,874,164,477.68
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Solution
The fourth proportional to 5,285,340,964.84, 7,293,908,766.88 and 2,874,164,477.68 is: 3,966,422,151.51
Step by Step Solution
- Step 1: Write the proportion equation
5,285,340,964.84 : 7,293,908,766.88 = 2,874,164,477.68 : x - Step 2: Convert to fraction form
5,285,340,964.84/7,293,908,766.88 = 2,874,164,477.68/x - Step 3: Cross multiply
5,285,340,964.84x = 7,293,908,766.88 × 2,874,164,477.68 - Step 4: Simplify right side
5,285,340,964.84x = 20,963,893,481,205,227,520 - Step 5: Solve for x
x = 20,963,893,481,205,227,520/5,285,340,964.84 - Step 6: Final answer
x = 3,966,422,151.51
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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.