Home / 481,180,551.84-664,011,399.60-261,159,253.92

Finding the Fourth Proportional to 481,180,551.84, 664,011,399.60 and 261,159,253.92

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Solution

The fourth proportional to 481,180,551.84, 664,011,399.60 and 261,159,253.92 is: 360,390,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,180,551.84 : 664,011,399.60 = 261,159,253.92 : x
  2. Step 2: Convert to fraction form
    481,180,551.84/664,011,399.60 = 261,159,253.92/x
  3. Step 3: Cross multiply
    481,180,551.84x = 664,011,399.60 × 261,159,253.92
  4. Step 4: Simplify right side
    481,180,551.84x = 173,412,721,713,910,976
  5. Step 5: Solve for x
    x = 173,412,721,713,910,976/481,180,551.84
  6. Step 6: Final answer
    x = 360,390,130.17

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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.