Home / 516,230,445,315.15-712,400,229,321.72-281,590,846,598.40

Finding the Fourth Proportional to 516,230,445,315.15, 712,400,229,321.72 and 281,590,846,598.40

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Solution

The fourth proportional to 516,230,445,315.15, 712,400,229,321.72 and 281,590,846,598.40 is: 388,596,576,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,230,445,315.15 : 712,400,229,321.72 = 281,590,846,598.40 : x
  2. Step 2: Convert to fraction form
    516,230,445,315.15/712,400,229,321.72 = 281,590,846,598.40/x
  3. Step 3: Cross multiply
    516,230,445,315.15x = 712,400,229,321.72 × 281,590,846,598.40
  4. Step 4: Simplify right side
    516,230,445,315.15x = 200,605,383,691,597,456,080,896
  5. Step 5: Solve for x
    x = 200,605,383,691,597,456,080,896/516,230,445,315.15
  6. Step 6: Final answer
    x = 388,596,576,416.82

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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.