Home / 10,382,456,568.16-15,573,685,032.72-2,521,815,915.64

Finding the Fourth Proportional to 10,382,456,568.16, 15,573,685,032.72 and 2,521,815,915.64

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Solution

The fourth proportional to 10,382,456,568.16, 15,573,685,032.72 and 2,521,815,915.64 is: 3,782,723,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,456,568.16 : 15,573,685,032.72 = 2,521,815,915.64 : x
  2. Step 2: Convert to fraction form
    10,382,456,568.16/15,573,685,032.72 = 2,521,815,915.64/x
  3. Step 3: Cross multiply
    10,382,456,568.16x = 15,573,685,032.72 × 2,521,815,915.64
  4. Step 4: Simplify right side
    10,382,456,568.16x = 39,273,966,780,677,742,592
  5. Step 5: Solve for x
    x = 39,273,966,780,677,742,592/10,382,456,568.16
  6. Step 6: Final answer
    x = 3,782,723,917.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.