Home / 482,987,819.60-724,481,729.40-430,583,800.40

Finding the Fourth Proportional to 482,987,819.60, 724,481,729.40 and 430,583,800.40

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Solution

The fourth proportional to 482,987,819.60, 724,481,729.40 and 430,583,800.40 is: 645,875,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,987,819.60 : 724,481,729.40 = 430,583,800.40 : x
  2. Step 2: Convert to fraction form
    482,987,819.60/724,481,729.40 = 430,583,800.40/x
  3. Step 3: Cross multiply
    482,987,819.60x = 724,481,729.40 × 430,583,800.40
  4. Step 4: Simplify right side
    482,987,819.60x = 311,950,096,365,416,384
  5. Step 5: Solve for x
    x = 311,950,096,365,416,384/482,987,819.60
  6. Step 6: Final answer
    x = 645,875,700.60

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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.