Home / 516,230,445,317.04-712,400,229,324.36-281,590,846,600.32

Finding the Fourth Proportional to 516,230,445,317.04, 712,400,229,324.36 and 281,590,846,600.32

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Solution

The fourth proportional to 516,230,445,317.04, 712,400,229,324.36 and 281,590,846,600.32 is: 388,596,576,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,230,445,317.04 : 712,400,229,324.36 = 281,590,846,600.32 : x
  2. Step 2: Convert to fraction form
    516,230,445,317.04/712,400,229,324.36 = 281,590,846,600.32/x
  3. Step 3: Cross multiply
    516,230,445,317.04x = 712,400,229,324.36 × 281,590,846,600.32
  4. Step 4: Simplify right side
    516,230,445,317.04x = 200,605,383,693,708,633,833,472
  5. Step 5: Solve for x
    x = 200,605,383,693,708,633,833,472/516,230,445,317.04
  6. Step 6: Final answer
    x = 388,596,576,419.49

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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.