Home / 516,230,445,238.10-712,400,229,215.43-281,590,846,521.38

Finding the Fourth Proportional to 516,230,445,238.10, 712,400,229,215.43 and 281,590,846,521.38

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Solution

The fourth proportional to 516,230,445,238.10, 712,400,229,215.43 and 281,590,846,521.38 is: 388,596,576,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,230,445,238.10 : 712,400,229,215.43 = 281,590,846,521.38 : x
  2. Step 2: Convert to fraction form
    516,230,445,238.10/712,400,229,215.43 = 281,590,846,521.38/x
  3. Step 3: Cross multiply
    516,230,445,238.10x = 712,400,229,215.43 × 281,590,846,521.38
  4. Step 4: Simplify right side
    516,230,445,238.10x = 200,605,383,606,798,091,550,720
  5. Step 5: Solve for x
    x = 200,605,383,606,798,091,550,720/516,230,445,238.10
  6. Step 6: Final answer
    x = 388,596,576,310.55

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1.5x scale

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.