Finding the Fourth Proportional to 5,285,340,966.84, 7,293,908,769.64 and 2,874,164,479.68
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Solution
The fourth proportional to 5,285,340,966.84, 7,293,908,769.64 and 2,874,164,479.68 is: 3,966,422,154.27
Step by Step Solution
- Step 1: Write the proportion equation
5,285,340,966.84 : 7,293,908,769.64 = 2,874,164,479.68 : x - Step 2: Convert to fraction form
5,285,340,966.84/7,293,908,769.64 = 2,874,164,479.68/x - Step 3: Cross multiply
5,285,340,966.84x = 7,293,908,769.64 × 2,874,164,479.68 - Step 4: Simplify right side
5,285,340,966.84x = 20,963,893,503,725,740,032 - Step 5: Solve for x
x = 20,963,893,503,725,740,032/5,285,340,966.84 - Step 6: Final answer
x = 3,966,422,154.27
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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.