Home / 504,090,411.40-756,135,617.10-443,624,235.40

Finding the Fourth Proportional to 504,090,411.40, 756,135,617.10 and 443,624,235.40

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Solution

The fourth proportional to 504,090,411.40, 756,135,617.10 and 443,624,235.40 is: 665,436,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,090,411.40 : 756,135,617.10 = 443,624,235.40 : x
  2. Step 2: Convert to fraction form
    504,090,411.40/756,135,617.10 = 443,624,235.40/x
  3. Step 3: Cross multiply
    504,090,411.40x = 756,135,617.10 × 443,624,235.40
  4. Step 4: Simplify right side
    504,090,411.40x = 335,440,084,994,694,656
  5. Step 5: Solve for x
    x = 335,440,084,994,694,656/504,090,411.40
  6. Step 6: Final answer
    x = 665,436,353.10

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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.