Home / 419,689,624.60-629,534,436.90-332,013,669.40

Finding the Fourth Proportional to 419,689,624.60, 629,534,436.90 and 332,013,669.40

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Solution

The fourth proportional to 419,689,624.60, 629,534,436.90 and 332,013,669.40 is: 498,020,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,689,624.60 : 629,534,436.90 = 332,013,669.40 : x
  2. Step 2: Convert to fraction form
    419,689,624.60/629,534,436.90 = 332,013,669.40/x
  3. Step 3: Cross multiply
    419,689,624.60x = 629,534,436.90 × 332,013,669.40
  4. Step 4: Simplify right side
    419,689,624.60x = 209,014,038,408,831,744
  5. Step 5: Solve for x
    x = 209,014,038,408,831,744/419,689,624.60
  6. Step 6: Final answer
    x = 498,020,504.10

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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.