Home / 442,800,123.60-664,200,185.40-313,553,672.40

Finding the Fourth Proportional to 442,800,123.60, 664,200,185.40 and 313,553,672.40

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Solution

The fourth proportional to 442,800,123.60, 664,200,185.40 and 313,553,672.40 is: 470,330,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,800,123.60 : 664,200,185.40 = 313,553,672.40 : x
  2. Step 2: Convert to fraction form
    442,800,123.60/664,200,185.40 = 313,553,672.40/x
  3. Step 3: Cross multiply
    442,800,123.60x = 664,200,185.40 × 313,553,672.40
  4. Step 4: Simplify right side
    442,800,123.60x = 208,262,407,340,930,848
  5. Step 5: Solve for x
    x = 208,262,407,340,930,848/442,800,123.60
  6. Step 6: Final answer
    x = 470,330,508.60

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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.