Home / 516,230,445,239.60-712,400,229,217.51-281,590,846,522.88

Finding the Fourth Proportional to 516,230,445,239.60, 712,400,229,217.51 and 281,590,846,522.88

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Solution

The fourth proportional to 516,230,445,239.60, 712,400,229,217.51 and 281,590,846,522.88 is: 388,596,576,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,230,445,239.60 : 712,400,229,217.51 = 281,590,846,522.88 : x
  2. Step 2: Convert to fraction form
    516,230,445,239.60/712,400,229,217.51 = 281,590,846,522.88/x
  3. Step 3: Cross multiply
    516,230,445,239.60x = 712,400,229,217.51 × 281,590,846,522.88
  4. Step 4: Simplify right side
    516,230,445,239.60x = 200,605,383,608,452,392,157,184
  5. Step 5: Solve for x
    x = 200,605,383,608,452,392,157,184/516,230,445,239.60
  6. Step 6: Final answer
    x = 388,596,576,312.63

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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.