Home / 519,579,859.29-717,014,497.57-281,419,118.64

Finding the Fourth Proportional to 519,579,859.29, 717,014,497.57 and 281,419,118.64

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Solution

The fourth proportional to 519,579,859.29, 717,014,497.57 and 281,419,118.64 is: 388,355,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,579,859.29 : 717,014,497.57 = 281,419,118.64 : x
  2. Step 2: Convert to fraction form
    519,579,859.29/717,014,497.57 = 281,419,118.64/x
  3. Step 3: Cross multiply
    519,579,859.29x = 717,014,497.57 × 281,419,118.64
  4. Step 4: Simplify right side
    519,579,859.29x = 201,781,587,954,666,752
  5. Step 5: Solve for x
    x = 201,781,587,954,666,752/519,579,859.29
  6. Step 6: Final answer
    x = 388,355,291.96

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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.