Home / 483,357,371.72-667,113,169.95-285,167,320.16

Finding the Fourth Proportional to 483,357,371.72, 667,113,169.95 and 285,167,320.16

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Solution

The fourth proportional to 483,357,371.72, 667,113,169.95 and 285,167,320.16 is: 393,578,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,357,371.72 : 667,113,169.95 = 285,167,320.16 : x
  2. Step 2: Convert to fraction form
    483,357,371.72/667,113,169.95 = 285,167,320.16/x
  3. Step 3: Cross multiply
    483,357,371.72x = 667,113,169.95 × 285,167,320.16
  4. Step 4: Simplify right side
    483,357,371.72x = 190,238,874,914,748,576
  5. Step 5: Solve for x
    x = 190,238,874,914,748,576/483,357,371.72
  6. Step 6: Final answer
    x = 393,578,097.79

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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.