Home / 419,688,021.60-629,532,032.40-332,012,066.40

Finding the Fourth Proportional to 419,688,021.60, 629,532,032.40 and 332,012,066.40

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Solution

The fourth proportional to 419,688,021.60, 629,532,032.40 and 332,012,066.40 is: 498,018,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,688,021.60 : 629,532,032.40 = 332,012,066.40 : x
  2. Step 2: Convert to fraction form
    419,688,021.60/629,532,032.40 = 332,012,066.40/x
  3. Step 3: Cross multiply
    419,688,021.60x = 629,532,032.40 × 332,012,066.40
  4. Step 4: Simplify right side
    419,688,021.60x = 209,012,230,942,115,744
  5. Step 5: Solve for x
    x = 209,012,230,942,115,744/419,688,021.60
  6. Step 6: Final answer
    x = 498,018,099.60

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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.