Home / 442,868,318.10-664,302,477.15-440,317,401.30

Finding the Fourth Proportional to 442,868,318.10, 664,302,477.15 and 440,317,401.30

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Solution

The fourth proportional to 442,868,318.10, 664,302,477.15 and 440,317,401.30 is: 660,476,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,318.10 : 664,302,477.15 = 440,317,401.30 : x
  2. Step 2: Convert to fraction form
    442,868,318.10/664,302,477.15 = 440,317,401.30/x
  3. Step 3: Cross multiply
    442,868,318.10x = 664,302,477.15 × 440,317,401.30
  4. Step 4: Simplify right side
    442,868,318.10x = 292,503,940,415,840,640
  5. Step 5: Solve for x
    x = 292,503,940,415,840,640/442,868,318.10
  6. Step 6: Final answer
    x = 660,476,101.95

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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.