Home / 442,940,934.30-664,411,401.45-339,628,803.90

Finding the Fourth Proportional to 442,940,934.30, 664,411,401.45 and 339,628,803.90

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Solution

The fourth proportional to 442,940,934.30, 664,411,401.45 and 339,628,803.90 is: 509,443,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,940,934.30 : 664,411,401.45 = 339,628,803.90 : x
  2. Step 2: Convert to fraction form
    442,940,934.30/664,411,401.45 = 339,628,803.90/x
  3. Step 3: Cross multiply
    442,940,934.30x = 664,411,401.45 × 339,628,803.90
  4. Step 4: Simplify right side
    442,940,934.30x = 225,653,249,571,986,240
  5. Step 5: Solve for x
    x = 225,653,249,571,986,240/442,940,934.30
  6. Step 6: Final answer
    x = 509,443,205.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.