Home / 481,180,563.09-664,011,415.13-261,159,265.17

Finding the Fourth Proportional to 481,180,563.09, 664,011,415.13 and 261,159,265.17

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Solution

The fourth proportional to 481,180,563.09, 664,011,415.13 and 261,159,265.17 is: 360,390,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,180,563.09 : 664,011,415.13 = 261,159,265.17 : x
  2. Step 2: Convert to fraction form
    481,180,563.09/664,011,415.13 = 261,159,265.17/x
  3. Step 3: Cross multiply
    481,180,563.09x = 664,011,415.13 × 261,159,265.17
  4. Step 4: Simplify right side
    481,180,563.09x = 173,412,733,238,536,800
  5. Step 5: Solve for x
    x = 173,412,733,238,536,800/481,180,563.09
  6. Step 6: Final answer
    x = 360,390,145.70

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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.